Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Earle F. McBride"'
Publikováno v:
GSA Bulletin.
The Llano Uplift in central Texas, USA, exposes the southernmost expanse of Laurentian crystalline basement in North America and the overlying lower Paleozoic strata deposited on the Great Unconformity. Systematic detrital zircon (DZ) U-Pb provenance
Autor:
Earle F. McBride
Publikováno v:
Rocky Mountain Geology. 51:23-68
The Ignacio Quartzite—exposed in the San Juan Mountains of southwestern Colorado—is composed of red and brown arkose and subarkose sandstones and minor interbedded shales. The formation is newly divided here into the Tamarron Member (0–24 m) an
Autor:
Earle F. McBride
Publikováno v:
Journal of Sedimentary Research. 82:664-680
The Eureka Sandstone is a quartzarenite 200 m thick that was deposited on the eastern shelf of the Cordilleran foreland basin from Canada to California. It has many characteristics of other lower Paleozoic quartzarenites in terms of its sheet-like ge
Autor:
Earle F. McBride
Publikováno v:
Rocky Mountain Geology. 47:81-111
The Eureka Quartzite is a sheet-like quartzarenite up to 200-m thick that was deposited on the eastern shelf of the Cordilleran miogeocline from Canada to California. It is the only sandstone lithosome from the Middle Cambrian through Devonian succes
Autor:
M. Dane Picard, Earle F. McBride
Publikováno v:
The Sedimentary Record. 9:4-8
Autor:
Earle F. McBride, Joseph L. Mehring
Publikováno v:
Sedimentary Geology. 201:432-445
Quartzarenite coastal sands extending from eastern Louisiana eastward to Apalachee Bay, Florida, are anomalous: their position 7° north of the Tropic of Cancer contrasts with most other known modern quartzarenites, most of which are in a tropical se
Autor:
Earle F. McBride, Kitty L. Milliken
Publikováno v:
Sedimentology. 53:1161-1179
Giant spheroidal concretions (cannonball concretions; some nearly 6 m in diameter) in fluvial channel-fill sandstones at two localities of the Dakota Sandstone formed by import of cement constituents at a burial depth of
Autor:
Earle F. McBride, M. Dane Picard
Publikováno v:
Earth Surface Processes and Landforms. 29:713-735
Two types of cavernous-weathering features are exposed in the Oligocene Macigno Sandstone along 5 km of the Tuscan coast south of Livorno, Italy. Honeycomb cells (type 1 features) are typical closely spaced, more or less circular pits of centimetre s
Publikováno v:
Computers & Geosciences. 29:1127-1135
We have developed an interactive computer-based tutorial in sandstone petrology for undergraduate-level students. The goal of this tutorial is to provide students exposure to the highly visual subject matter of petrography outside the confines of org