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         Paleogeography:     more books (100)
  1. Silurian Lands and Seas: Paleogeography Outside of Laurentia (New York State Museum Bulletin 493)
  2. Paleogeography, Paleoclimate & Source Rocks (AAPGStudies in Geology) (Aapg Studies in Geology) by A. Y. Huc, 1995-07-01
  3. Paleogeography and geological history of Greater Antilles by K. M Khudolei, 1971
  4. Paleogeography and loess: Pleistocene climatic and environmental reconstructions : contribution of the INQUA Hungarian National Committee to the XIIth ... 1987 (Studies in geography in Hungary)
  5. The Tethys: Her paleogeography and paleobiogeography from Paleozoic to Mesozoic
  6. Parasites and the Aid They Give in Problems of Taxonomy, Geographical Distribution and Paleogeography by Maynard M. Metcalf, 1929-01-01
  7. Paleogeography of the Tropical Pacific. by H.W., and Edwin L. Hamilton. Menard, 1963
  8. China - Stratigraphy, Paleogeography and Tectonics by Arthur A. Meyerhoff, M. Kamen-Kaye, et all 1991-07-31
  9. Paleogeography of the North American Cordillera: Evidence for and Against Large-scale Displacements by J. Haggart, 2006-09
  10. Jurassic-Cretaceous Biochronology and Paleogeography of North America: Proc of Symp Held Montreal, Quebec, Aug, 1982 (Geological Assn of Cansp Pap 2)
  11. Mesozoic Paleogeography of the West-Central United States Rocky Mountain Paleogeography Symposium Two by Mitchell W Reynolds, 1983-06
  12. Paleogeography of the Caribbean region: Implications for Cenozoic biogeography (Bulletin of the American Museum of Natural History) by Manuel Iturralde-Vinent, 1999
  13. Paleogeography and Geological History of Great Antilles - Memoir 129
  14. Paleolithic Site of Douara Cave and Paleogeography of Palmyra Basin in Syria, Part 3: Animal Bones and Further Analysis of Archeological Materials (University ... the University of Tokyo, Bulletin) (Pt. 3) by Kazuro Hanihara, 1983-05

1. Welcome To The Paleogeography Home Page
Lithologic, Paleogeographic, and Paleocurrent Maps of the World What are Paleocurrents? Why are they important?
http://geology.swau.edu/
Lithologic, Paleogeographic, and Paleocurrent Maps of the World
What are Paleocurrents? Why are they important?
Paleocurrents are vectors indicating the direction of flow of currents depositing sediments on the earth's (or mars etc.) surface, in the past.
Devonian Paleogeographic Map

This is a BIG jpg image (1600x1200)
These maps depict the distribution of lithologies, and the paleocurrents by geologic periods, and are based on nearly one million measurements worldwide. This information can be extremely helpful in attempting to reconstruct the past history of the earth.
"For effort expended, measurements of directional structures are probably more rewarding to the field geologist than anything else".
Pettijohn et. al. 1972
Precambrian

Total, Lower, Upper
Paleozoic
Total, all periods
Map legend Lithologic index Mesozoic Total, all periods Cenozoic Total, all epochs
    If you have comments or suggestions, please leave a note What is a Paleocurrent? Art Chadwick Home Page Biology Department Home Page Links:

2. Trilobite Paleogeography
Trilobite paleogeography last revised 01 March 2002 by S. M. Gon IIIBiogeography involves the mapping and study of the patterns
http://www.aloha.net/~smgon/trilopaleogeo.htm
Trilobite Paleogeography
last revised 01 March 2002 by S. M. Gon III
Biogeography involves the mapping and study of the patterns of distribution of organisms within and between the world's regions. The biogeography of plants and animals reflects their ecological requirements and the habitat niches they occupy. Some species are widespread, while others are restricted to certain regions of the globe. Paleogeography offers some of the same approach, but must take into account the fact of plate tectonics, and the changing of continental and ocean basin patterns over the course of hundreds of millions of years. The paleogeography of trilobites is particularly important because they were extremely diverse, were distributed all over the globe, and offer much insight on paleoenvironments. Trilobites occupied marine environments from tropical equatorial to polar paleolatitudes. Some families of trilobites were narrow in their requirements. For example, the family Bathyuridae (Proetida:Bathyuroidea) was found only in paleoequatorial regions. Trilobite marine niches ranged from intertidal and nearshore to deep continental slopes. Because there was very significant continental movement during the Paleozoic Era, with continents drifting apart, as well as converging and joining, the distribution and evolution of trilobites over the nearly 300 million years of their existence reflects a complex paleogeography. Why are the trilobites from Oklahoma and Morocco so similar?

3. The Paleogeographic Atlas Project, University Of Chicago, Global Paleogeography,
Global paleogeography and paleoclimates, with emphasis on the Permian and Jurassic. Climatesensitive Category Science Earth Sciences paleogeography and Paleoclimatology...... We study global paleogeography and paleoclimates sediments, fossil plants and detailedpaleogeographic maps enable evaluations of paleoclimate, oceanographic
http://pgap.uchicago.edu/
PGAP Activities Permian Jurassic Movies, Slideshows and Maps ... Links
THE PALEOGEOGRAPHIC ATLAS PROJECT
UNIVERSITY OF CHICAGO
About the Atlas Project
We interpret paleogeography broadly to include all aspects of map reconstruction from paleo-continental orientations and tectonic considerations to the delineation of past topographic or bathymetric contours and the compilation of lithofacies data. In addition we use the reconstructions as base information for studies of past fossil distributions, and for climatic or oceanographic patterns as determined from the fossils, the sediments and from computer modeling studies. Our team has worked since the plate tectonic paradigm was introduced to compile information mainly from the literature on all aspects of global paleogeography. Moreover, we have pioneered the application of computer technology to paleogeographic map-making.
click on image to enlarge
The Paleogeographic Atlas Project in 2001

PGAP Publications (with links to abstracts)

Jurassic slideshow sampler (
QuickTime ...
Paleogeographic Maps (downloadable pdf files)

Animations
Successive paleogeographic maps often look very similar, just because continents move slowly in geologic time, mountains are uplifted gradually and shorelines generally do not advance or retreat significantly when viewed on a world scale. Animations are therefore necessary to bring out these subtle changes, and computer graphics are ideal for this purpose. Animations showing the general flow of the continental blocks through long intervals of geologic time are straightforward because the paleomagnetic information on the latitude and orientation of plates is reasonably well understood. Detailed paleogeographic maps, showing paleo-shorelines, and other paleogeographic contours are more problematic since depicting these accurately on closely spaced time steps is tedious and fraught with uncertainty. Nonetheless we have prepared a number of animations based on our detailed paleogeographic maps, and more are planned.

4. Paleogeography Related Books
Search for books related to paleogeography. Knowledge of paleogeography would meet with a state
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Paleogeography
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Knowledge of Paleogeography would meet with a state
of things very similar to that which now obtains; but that the
likeness of the past to the present would gradually become less
and less, in proportion to the remoteness of his period of
observation from the present day; that the existing distribution
of mountains and plains, of rivers and seas, would show itself
to be the product of a slow process of natural change operating upon more and more widely different antecedent conditions of the mineral frame-work of the earth; until, at length, in place of that frame-work, Paleogeography would represent only a vast nebulous mass, representing the constituents of the sun and of the planetary bodies.

5. Paleogeography
PGAP Home, Permian, Jurassic, Publications, Recent Abstracts (fulltext), About our Data, PGAP Activities. See how our planet's geography
http://pgap.uchicago.edu/globalpgeog.html
PGAP Home Permian Jurassic Publications ... PGAP Activities
See how our planet's geography has changed over the last 290 million years.....
(Produced using Quicktime [View QuickTime Movie]

6. Books Related To Paleogeography
Search for paleogeography related books. Let me first direct your attention to what is to be said about. paleogeography and the hypothesis of the eternity
http://generalfive.4t.com/paleogeography.html
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Let me first direct your attention to what is to be said about
Paleogeography and the hypothesis of the eternity of the state of things in which we now live. What will first strike you is, that it is a hypothesis which, whether true or false, is not capable of verification by any evidence. For, in order to obtain either circumstantial or testimonial evidence sufficient to prove the eternity of duration of the present state of nature, you must have an eternity of witnesses or an infinity of circumstances, and neither of these is attainable.

7. Paleogeography
paleogeography. paleogeography. Fossil magnetism in rocks is misalignedwith the Earth's present magnetic field, and shows that the
http://www.kheper.auz.com/gaia/geosphere/geography/paleogeography.htm
Paleogeography
Paleogeography . Fossil magnetism in rocks is misaligned with the Earth's present magnetic field, and shows that the continents have moved; it indicates the orientation and latitude of a continent at the time when the rocks were formed. This is the primary source of information about the past locations of continents, but it gives no indication of longitude. Good evidence of recent movements comes from the growth of ocean floors. Traces of ancient oceans, found among mountains, announce that different pieces of present continents were formerly separated, while evidence of rifting along shore-lines indicates that continents have split asunder. Edges can be put together again by computer programs that reconcile the coarse shapes of continents with the precise geometry of motions on a sphere, to obtain best fit...
The continents can, though, be dismembered into microcontinents, and maps adjusted by evidence of connections and splits between organisms, climate as indicated by characteristic rocks (e.g., coal, or fossil sand dunes), and geological activity. Global patterns of climate and ocean circulation can be inferred...Continental arrangements before 6oo Myr ago are hazy and controversial, although the existence of earlier supercontinents [similiar to Pangea ] is presumed Nigel Calder

8. Historical Geology, Keith Mann, Ohio Wesleyan University
Last modified 14th March 1998 REVIEW AND ATLAS OF PALAEOVEGETATION Preliminary land ecosystem maps of the world since the Last Glacial Maximum. Adams (1) and H. Faure (2). Quaternary Environments Network (QEN)*
http://www.owu.edu/~komann/courses/hist/pg/shock.html
Keith Olin Mann Home Courses
Ohio Wesleyan University
Historical Geology
Phanerozoic Paleogeography
Macintosh version available now
IBM Version: Under development (Talk to Bill)
The Paleogeography Module you are about to view requires the Shockwave for Authorware plug-in. To download this plug-in, click on the image below. If you already have the Authorware plug-in, then continue to the Paleogeography Module.
Keith Olin Mann Home
Courses

9. Nearctica - Paleontology - Paleogeography And Plate Tectonics
Paleontology paleogeography and Plate Tectonics. Return to PaleontologyMain Page. paleogeography of the Southwestern US. Ron Blakey.
http://www.nearctica.com/paleo/tectonic.htm
Paleontology - Paleogeography and Plate Tectonics Return to Paleontology Main Page Return to Geology Main Page ALFRED WEGENER Father of Continental Drift and Plate Tectonics Buy Books about Fossils and Paleontology Global Earth History . Ron Blakey. This wonderful site has a series of plate tectonics reconstructions of the Earth from the Cambrian to the present. The maps illustrate the positions of continents during each geological periods and the major tectonic features. Each period is accompanied by a short description. A great resource. Paleogeographic Atlas Project Home Page . David Rowley. For more than twenty years, the scientists at the University of Chicago's Paleogeographic Atlas Project have been plotting the evolution of the geologic features of the world: the drifting of continents, the formation and destruction of mountains, and the widening of ocean basins. This site has some of the graphical results of this research including both global maps and animations. You might want to visit this site late at night because the pictures are large. But the many of the pictures are very, very nice. Studies in Geophysics. Active Tectonics

10. Paleogeogwus.html
paleogeography of the Southwestern US. The images presented here show the paleogeographyof the SW US from 1.8 billion years ago to 10 million years ago.
http://jan.ucc.nau.edu/~rcb7/paleogeogwus.html
Middle Jurassic Paleogeography
Paleogeography of the Southwestern US
Images from a talk presented to the Annual Meeting of the Geological Society of America, Salt Lake City, Utah, Oct. 1997
Introduction
The images presented here show the paleogeography of the SW US from 1.8 billion years ago to 10 million years ago. When played in order, the paleogeographic evolution of the region unfolds. Emphasis is on the Mesozoic where two or more images of each period are shown. Two different interpretations are presented for some of the periods. One shows a tectonic interpretation in which most elements of the western US were derived from North America; the second shows a tectonic interpretation in which some elements originated far from North America (exotic elements). Debate continues concerning these two different tectonic models.
Paleogeographic Maps and Globes
  • Text
  • Precambrian
  • Cambrian
  • Ordovician ...
  • Tertiary The images were prepared by placing various stratigraphic, tectonic, and sedimentologic data on a base map, plotting land vs. sea over this data, and then adding more detailed landforms such as mountains, shelf edges, rivers, arc-trench systems, and lowlands. The data was then painted in Photoshop 5.5. Climatic data is also added as tones of browns and reds for arid and greens for humid. The database for the images consists of many papers published on the geology of SW NAM. My own work is incorporated onto the Colorado Plateau portion of the maps. Plate patterns are from PGIS MAC, a plate-tectonic computer program by the Paleomap Project. Major sources of data are listed below:
  • 11. Cretaceous Paleogeography
    Cretaceous paleogeography, Southwestern US. Early Cretaceous paleogeography, SouthwesternUS (130 Ma). Late Cretaceous paleogeography, Southwestern US (75 Ma).
    http://jan.ucc.nau.edu/~rcb7/crepaleo.html
    Cretaceous Paleogeography, Southwestern US
    Early Cretaceous Paleogeography, Southwestern US (130 Ma). The Western Interior was the site of an encroaching epicontinental seaway from the north. To the west lay uplands and a thrust belt in Nevada and western Utah. Transtensional basins in southern Arizona and california were the sites of thick marine and continental deposition. The Cordilleran arc was now a classic continental (Andean-style) arc along all or most of its extent. The arc consisted of a fore arc-trench system, fore arc basin, and Andean arc. The fore arc-trench was the site of the famous Franciscan melange'. The Great Valley sequence was deposited in the fore arc basin and the Sierra Nevada batholith complex formed in the bowels of the arc
    Middle Cretaceous Paleogeography, Southwestern US (90 Ma). The Western Interior seaway has expanded to one of the greatest eoicontinental seas of all times. It stretched from central Utah to the western Appalachians and from the Arctic to the Gulf of Mexico. The Sevier orogenic belt bordered the sea to the west. This great thrust belt resulted from compression of the Cordilleran arc, perhaps further mitigated by collision with the huge Wrangellia oceanic plateau. The nature of the collision, its exact location, and its magnatude are anything but clear. Pieces of Wrangellia and Wrangellia-like plateaus are presently strewn along the west coast of North America from Mexico to Alaska
    Late Cretaceous Paleogeography, Southwestern US (75 Ma). The Western Interior seaway slowly retreated to the northeast. Vast alluvial plains marked its past locations. Some of the World's greatest dinosaur remains are found in these deposits. The Sevier orogeny was at its climax. Regional metamorphism affected western Arizona and eastern California. Paleozoic and Mesozoic sandstone, mudstone, and limestone were metamorphosed to quartzite, schist, and marble. The west coast was marked by strongly oblique collision between the oceanic and continental plates and right-lateral transform faults transported pieces of Wrangellia and other terrains northward along the edge of North America. The Franciscan forearc complex was a broad accretionary prism that was constantly being deformed by complex stresses into a melange'

    12. KGS--Publications Catalog--Records For Subject Of Paleogeography
    Publication(s) for paleogeography. Geology 3Stratigraphy, Petrology,and paleogeography of the Upper Portion of the Cherokee Group
    http://abyss.kgs.ku.edu/pls/abyss/pubcat.ocd.SelectBySubject?t_subj=paleogeograp

    13. Paleogeography
    Beringia paleogeography A prominent feature of modern day Beringiais the shallow body of water seperating Eastern Beringia (NW
    http://www.ngdc.noaa.gov/paleo/parcs/atlas/beringia/paleogeo.html
    Home
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    Updated 8/30/99 Beringia Paleogeography A prominent feature of modern day Beringia is the shallow body of water seperating Eastern Beringia (NW North America) from Western Beringia (NE Asia) called the Bering Strait. The strait also features prominently in the environmental history of Beringia in that it has been largely absent during the region's late Quaternary history. Global (eustatic) sea levels lower than today left the area exposed forming the Bering Land Bridge. The closing of this land bridge over the last 21,000 years is one of the dramatic changes in the Beringian landscape seen over this period. Base Map Information: Details on map projection; topography;
    coastline. Paleo-Ice Extent: Land Bridge Movie Static Map - 6,000 years BP
    Static Map - 18,000 years BP

    14. Paleogeography
    Page Back, Unit Home, Page Next, Page Down, Unit Down, Earth Index. UnitHome, Geography, Palaeogeography, Continents. paleogeography. paleogeography.
    http://www.palaeos.com/Earth/Geography/palaeogeography.htm
    Palæos: Geography /
    Palaeogeography
    THE EARTH Paleogeography
    Home
    Palaeont-
    ology
    Evolution ... Page Next Page Down Unit Down Earth Index
    Unit Home
    Geography Palaeogeography Continents
    Paleogeography
    Paleogeography . Fossil magnetism in rocks is misaligned with the Earth's present magnetic field, and shows that the continents have moved; it indicates the orientation and latitude of a continent at the time when the rocks were formed. This is the primary source of information about the past locations of continents, but it gives no indication of longitude. Good evidence of recent movements comes from the growth of ocean floors. Traces of ancient oceans, found among mountains, announce that different pieces of present continents were formerly separated, while evidence of rifting along shore-lines indicates that continents have split asunder. Edges can be put together again by computer programs that reconcile the coarse shapes of continents with the precise geometry of motions on a sphere, to obtain best fit...
    The continents can, though, be dismembered into microcontinents, and maps adjusted by evidence of connections and splits between organisms, climate as indicated by characteristic rocks (e.g., coal, or fossil sand dunes), and geological activity. Global patterns of climate and ocean circulation can be inferred...Continental arrangements before 6oo My ago are hazy and controversial, although the existence of earlier supercontinents [similar to

    15. Paleogeography
    paleogeography. paleogeography, the study of the Earth's past geography,is a major subfield of historical geology. Relying on a
    http://www.geocities.com/jdhosu/paleo/paleogeography.html
    paleogeography
    Paleogeography, the study of the Earth's past geography, is a major subfield of historical geology. Relying on a broad spectrum of information made available from many other fields in geology and the natural sciences, it analyzes, interprets, and synthesizes the former configuration and distribution of oceans and lands, mountains and plains, climatic belts, paleobiological provinces, paleoecological conditions, and many related features.
    Early Concepts
    Development of paleogeography has proceeded along several courses. Charles LYELL, in his Principles of Geology (1830-33), stated that every part of the land had once been beneath the sea and that every part of the ocean had once been land, in an endless cycle from land to sea and back again. This dramatic statement, designed to loosen the rigid concepts of geography then prevalent, was defensible only for the land surface; knowledge of the oceans would remain too sparse for more than 125 years after that time. Only recently have studies revealed that the ocean basins have had a different history than that proposed by Lyell (see OCEAN AND SEA).
    Dana believed that the Earth was coolinga common hypothesis of the 1800s and early 1900sand therefore that the Earth's surface was shrinking. He believed that this shrinking, like a shriveling orange skin, was the cause of most of the structural deformation of the Earth's crust. Dana considered (1856) the amount of deformation at the margins of the continents to be proportional to the size of the adjacent oceanfor example, the Atlantic margin of North America is less mountainous than the Pacific margin. He reasoned that the continents were fixed in position and that the ocean areas pushed against them with a force proportional to the area of the ocean. Unfortunately, this concept of fixity of continents and ocean basins was not based on an accurate geological understanding of continental-ocean margins.

    16. Paleogeography
    MISSISSIPPIAN paleogeography
    http://www.umwestern.edu/envirosci/rob/kidspage/geography.html
    MISSISSIPPIAN PALEOGEOGRAPHY

    17. KLUWER Academic Publishers | China Stratigraphy, Paleogeography And Tectonics
    Books » China Stratigraphy, paleogeography and Tectonics. China Stratigraphy, paleogeography and Tectonics. Add to cart. by Arthur
    http://www.wkap.nl/prod/b/0-7923-0972-3
    Title Authors Affiliation ISBN ISSN advanced search search tips Books China Stratigraphy, Paleogeography and Tectonics
    China - Stratigraphy, Paleogeography and Tectonics
    Add to cart

    by
    former International Geological Consultant, Tulsa, OK, USA
    Maurice Kamen-Kaye
    Consulting Geologist, Cambridge, MA, USA
    Chin Chen
    Irfan Taner

    Consulting Geologist, Tulsa, OK, USA
    In this work the authors present a comprehensive treatment of the geology of China, based on a careful consideration of available data, including information published in Chinese. The book has an extensive bibliography as well as a clear overview using more than one-hundred illustrations and about thirty tables. This book systematically covers the stratigraphy, historical geology and evolution of China from the Archean, through Proterozoic and Phanerozoic to the present. It also contains essential information on the paleogeography of China during the Proterozoic and Phanerozoic. The last chapter of the book deals with the structural geology and tectonics of China. The authors show that structural features are significant factors in the accumulation of important hydrocarbon deposits. This compendium has been written for a general audience. Everyone interested in the geology of China will find it a valuable source of information.

    18. KLUWER Academic Publishers | China Stratigraphy, Paleogeography And Tectonics
    China Stratigraphy, paleogeography and Tectonics by Arthur A. Meyerhoff† formerInternational Geological Consultant, Tulsa, OK, USA Maurice Kamen-Kaye
    http://www.wkap.nl/prod/b/0-7923-0972-3?a=2

    19. Paleogeography Innovations And Patents
    paleogeography Innovations and Patents © 2002, XQ23.COM Research (air.xq23.com) Moreinformation on paleogeography and paleogeography Research References.
    http://www.air.xq23.com/energy_science_resources/Paleogeography.html
    Paleogeography Innovations and Patents © 2002, XQ23.COM Research (air.xq23.com)
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    kurt vonnegut arthur c clarke david brin ... Dialysis More information on: Paleogeography and Paleogeography Research References. Recent U.S. patents related to Paleogeography: 6,044,328: Method for creating, testing, and modifying geological subsurface models 6,035,255: Article of manufacturing for creating, testing, and modifying geological subsurface models : asymmetrically substituted triazine derivatives and alkyl naphthalates 6,367,412: Porous ceramic liner for a plasma source 6,367,281: Solid phase change refrigeration 6,365,565: Compositions of 1-bromopropane and an organic solvent 6,365,190: Systems and processes for spray drying hydrophobic drugs with hydrophilic excipients 6,363,741: Refrigerant composition and refrigerating apparatus 6,361,760: Aerosol compositions

    20. Constraints On Cretaceous Paleogeography Of The Western Cordilleran Margin
    T3. Constraints on Cretaceous paleogeography of the Western CordilleranMargin. Bernard A. Housen and J. Brian Mahoney, Presiding. Start Time.
    http://gsa.confex.com/gsa/2002CD/finalprogram/session_1959.htm
    Session No. 42 Wednesday, May 15, 2002 1:30 PM-5:30 PM, CH2M Hill Alumni Center: Multipurpose T3. Constraints on Cretaceous Paleogeography of the Western Cordilleran Margin Bernard A. Housen and J. Brian Mahoney, Presiding Start Time 1:30 PM ALTERNATIVES TO MESOZOIC PLATE CONFIGURATIONS AND TERRANE DISPLACEMENTS WITHIN THE PACIFIC BASIN AND ALONG WESTERN NORTH AMERICA : ENGEBRETSON, David C. and BLAKE, M. Clark Jr, Geology, Western Washington Univ, 516 High St, Bellingham, WA 98225, engebret@cc.wwu.edu 1:55 PM LATE CRETACEOUS TO EARLY TERTIARY MOTION OF THE HAWAIIAN HOTSPOT AND ITS GEODYNAMIC IMPLICATIONS : COTTRELL, Rory D., Earth and Environmental Sciences, Univ of Rochester, Hutchison Hall, Rochester, NY 14627, rory@earth.rochester.edu and TARDUNO, John A., Dept. Earth and Environmental Sciences, Univ Rochester, 227 Hutchison Hall, Rochester, NY 14627-9000 2:10 PM LOCATION OF RIDGE-TRENCH-TRENCH TRIPLE JUNCTIONS ALONG THE NORTHERN CORDILLERAN MARGIN IN THE LATE CRETACEOUS AND EARLY TERTIARY: THE NORTHERN CORDILLERA PERSPECTIVE : ROESKE, Sarah M., Department of Geology, Univ of California at Davis, 1 Shields Avenue, Davis, CA 95616, roeske@geology.ucdavis.edu, HAEUSSLER, Peter J., U. S. Geological Survey, 4200 University Drive, Anchorage, AK 99508, and BRADLEY, Dwight C., USGS, 4200 University Dr, Anchorage, AK 99508-4626 2:25 PM KINEMATIC AND TEMPORAL CONSTRAINTS FOR TRUNCATION OF THE WESTERN IDAHO SHEAR ZONE : PAYNE, Jonathan D. and MCCLELLAND, William C., Geological Sciences, University of Idaho, Moscow, ID 83844-3022, schisthead@yahoo.com

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