Robert b blodgett (20 resultados)

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No Binding. Condición: Very Good. ORIGINAL Article, disbound from journal; no covers; in very good condition. Journal.

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Condición: Very Good. Reprint/offprint; no covers; minor shelfwear; o/w in very good condition.

No Binding. Condición: Very Good. ORIGINAL Article, disbound from USGS Bulletin; no covers; in very good condition. Journal.

No Binding. Condición: Very Good. ORIGINAL Article, disbound from USGS Bulletin; no covers; in very good condition. Journal.

Condición: As New. Unread book in perfect condition.

Condición: New.

Paperback. Condición: New. A Late Ordovician silicified brachiopod fauna from the White Mountain area, west-central Alaska is described and interpreted in a palaeoecological and biogeographical context. This area is situated within the Nixon Fork Subterrane of the Farewell Terrane, which origin and timing of final docking with Laurentia has been much debated. The current study adds new faunal data to the debate with nearly 100 species described, of these at least nine are new. The fauna is predominantly a deep-water autochthonous fauna that was mixed with an allochthonous fauna as a result of down-slope movement of turbidity currents. Biogeographically this study demonstrates close faunal affinities with Siberia.…

Condición: New.

Condición: As New. Unread book in perfect condition.

Condición: New. In English.

paperback. Condición: New. In shrink wrap. Looks like an interesting title.

Paperback. Condición: New. A Late Ordovician silicified brachiopod fauna from the White Mountain area, west-central Alaska is described and interpreted in a palaeoecological and biogeographical context. This area is situated within the Nixon Fork Subterrane of the Farewell Terrane, which origin and timing of final docking with Laurentia has been much debated. The current study adds new faunal data to the debate with nearly 100 species described, of these at least nine are new. The fauna is predominantly a deep-water autochthonous fauna that was mixed with an allochthonous fauna as a result of down-slope movement of turbidity currents. Biogeographically this study demonstrates close faunal affinities with Siberia.…

Soft cover. Condición: New. Displaced or tectonostratigraphic terranes comprise a huge portion of real estate in the North American Cordillera. Terranes are discrete, fault-bound blocks of regional extent, with rocks and fossils that differ to a great extent from those of adjacent blocks. The allochthonous nature of most terranes, relative to adjacent craton, is well established. When mapped, they resemble a collage of mixed rock types, tectonic styles, metamorphism, and volcanic originseach part resembling the pieces of a puzzle. Terrane studies remain integral to understanding the geological evolution of western North America. Since the initiation of the concept summarized in 1979 by the late David Jones L. Jones, the significance of fossils and stratigraphy has been key to solving the puzzle. Chapters of this book written by experts in their field, provide a sense of the diversity of approaches in paleontology and stratigraphy. Contributions span geologic time from the Precambrian (Vendian) to Cretaceous and address over 20 Cordilleran terranes.…

Soft cover. Condición: New. No Jacket. Still in its production clear wrap, new. 15 chapters relating to the paleontology and stratigraphy from the North American Cordillera. Examples; 1. Paleogeographic significance of Ediacaran cyclomedusoids within the Antelope Mountain Quartzite, Yreka terrane, eastern Klamath Mountains, California. 8. Significance of detrital zircons in Upper Devonian ocean-basin strata of the Sonora allochthon and Lower Permian synorogenic strata of the Mina Mexico foredeep, central Sonora, Mexico. 10. Late Triassic silicified shallow-water corals and other marine fossils from Wrangellia and the Alexander terrane, Alaska, and Vancouver Island, British Columbia. 14. Early Jurassic bivalves of the Antimonio terrane (sonora, NW Mexico): Taxonomy, biogeography, and paleogeographic implications. …

Condición: New. pp. 108.

Condición: New. pp. 108.