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The AAPG/Datapages Combined Publications Database

Showing 1,887 Results. Searched 200,756 documents.

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Temporal and Spatial Distribution of Volcanic Ash in Mesozoic Sedimentary Rocks of the Western Interior: An Alternative Record of Mesozoic Magmatism

Eric H. Christiansen, Bart J. Kowallis, Mark D. Barton

Rocky Mountain Section (SEPM)

... Batholith, whereas Cretaceous ashes erupted from the Idaho and Boulder batholiths as well as the Sierra. As a result of the distribution...

1994

Seismotectonics of Northwest Montana, USA

D.R. Lageson, M.C. Stickney

Montana Geological Society

... to the north. These domains are the Flathead zone, Lewis and Clark zone, Big Belt zone, Madison-Lost River zone, and the Idaho batholith zone...

2000

Paleotectonics and Provenance of Tertiary Sandstones of the San Joaquin Basin, California

James V. Bent

Pacific Section SEPM

.... Plutoniclastic sandstones were widely deposited throughout the basin, and they were derived from the dissected Sierra Nevada batholith and exposed granitic...

1988

Stratigraphy and tectonic history of the Upper Devonian to Lower Carboniferous Horton Bluff Formation, Nova Scotia

A. Thomas Martel, Martin R. Gibling

Atlantic Geology

... intrusives of the South Mountain Batholith. The original extent of the subbasin to the west is unknown, although southwestward thinning suggests a nearby...

1996

Rift-, Subduction- and Collision-Related Tin Belts

A. H. G. Mitchell

Geological Society of Malaysia (GSM)

... tonalitic or granodioritic in composition and largely lack tin mineralization, for example the Peruvian batholith and Sierra Nevada. How­ ever within...

1979

Provenance of the Mustang Spring Conglomerate Lens, Northern Santa Ana Mountains, California

Ivan P. Colburn, Richard G. Blake

Pacific Section SEPM

... Batholith. All of these rock units crop out today in the northern Santa Ana Mountains where the study area is situated (Fig. 1). This study compliments...

1982

Folding or Shearing, Which?

Bailey Willis

AAPG Bulletin

..., if not the original structural feature, of California. It follows the eastern side of the batholith of Lower California and of the granodiorite outliers...

1927

Aulacogens and Their Genetic Relation to Geosynclines with A Proterozoic Example from Great Slave Lake Canada

Paul Hoffman, John F. Dewey, Kevin Burke

Special Publications of SEPM

... Bear belts ovil c Pre The westernmost of three comprising the Bear Province is the Great Bear Batholith consisting of coalesced epizonal...

1974

Gravity Constraints on the Crustal Structure of Central America

Kevin Mickus

AAPG Special Volumes

... (Guzman-Speziale et al., 1989). A batholith extending to at least 10 km would explain the observed gravity anomaly; the observed gravity data cannot...

2003

Stratigraphy, Sedimentation, and Structure of Late Cretaceous Rocks in Eastern Puerto Rico--Preliminary Report

Henry L. Berryhill, Jr., Reginald P. Briggs, Lynn Glover, III

AAPG Bulletin

... rocks is believed to be the result of doming during intrusion of a batholith during early Tertiary time. Complex faulting that accompanied...

1960

Resume of Depositional and Structural History of Western Montana

William J. McMannis

AAPG Bulletin

... of Montana and also west of Great Falls. This debris may be related to the beginning of emplacement of the Idaho batholith and associated volcanic...

1965

Geophysical Anomalies Over Precambrian Rocks, Northwestern Uncompahgre Plateau, Utah and Colorado

J. E. Case

AAPG Bulletin

... Dolores River; (3) a batholith of coarse porphyritic biotite quartz monzonite, which extends from Ryan Park, Colorado, northwest to Spring Canyon, Utah...

1966

Overview of Cenozoic Volcanism in the West-Central United States

Robert A. Chadwick

Rocky Mountain Section (SEPM)

..., caldera collapse, and shallow batholith emplacement. This activity may have been caused by a steepening or breakup of the subducting plate, by rising of hot...

1985

Bi-Sn-Mo-W greisen mineralization associated with the True Hill granite, southwestern New Brunswick

David R. Lentz, Glenn Lutes, Ron Hartree

Atlantic Geology

... of the Eastern Saint George granite batholith. The True Hill granite is weakly peraluminous (A/CNK = 1.6) with a high silica (76.6 wt.%) content. Bi-Sn-Mo...

1988

Cretaceous Sinistral Strike Slip Along Nacimiento Fault in Coastal California

William R. Dickinson

AAPG Bulletin

... between the flanking Mojave and Peninsular Ranges blocks. Salinian granitic rocks thus formed an interior part of the Mesozoic batholith belt...

1983

The Great Basin, An Overview and Hypothesis of its History

Charles B. Hunt

Rocky Mountain Association of Geologists

... and late Mesozoic time the Sierra Nevada batholith formed. How and why it formed is still a mystery so it seems convenient simply to requisition...

1979

Character and Extent of Basin-Range Faultin, Western Montana and East-Central Idaho

Mitchell W. Reynolds

Rocky Mountain Association of Geologists

... summit elevations decline west, east, and north from the uplifted area toward the Idaho batholith, plains, and Lewis and Clark line, respectively...

1979

The Liberation of Minor Elements from Rocks during Plutonic Igneous Cycles and Their Subsequent Concentration to Form Workable Ores, with Particular Reference to Copper and Tin

D. Taylor

Geological Society of Malaysia (GSM)

... 27ppm . Fig. 1. Geology and Copper Content of the Guichon Greek Batholith After Brabec and White. ,' LmERATION AND CoNCENTRATION OF MINOR ELEMENTS...

1974

Detrital zircon provenance study of siliciclastic strata in western and central Cuba: Implications for Caribbean tectonics

Patricia Ascanio-Pellon, Daniel F. Stockli, Daniel Ruiz Arriaga, Lisa D. Stockli

International Meeting for Applied Geoscience and Energy (IMAGE)

... five western Cuban samples show a strong Grenvillian (Proterozoic) and Chiapas batholith (Permian-Triassic) signature while the central Cuban sample has...

2022

Distinctions Between Cretaceous and Eocene Conglomerates in the San Diego Area, Southwestern California

Gary L. Peterson

Pacific Section SEPM

... Volcanics of Hanna, 1926) and (2) plutonic rocks of the Southern California Batholith. The Santiago Peak Volcanics are of Late Jurassic age (Fife et al...

1970

New U-Pb Zircon and 40AR/39AR Age Constraints on the Late Mesozoic to Cenozoic Plutonic Record in the Western San Juan Mountains

David A. Gonzales

Rocky Mountain Association of Geologists

... to 29-27 Ma caldera complexes that formed over a regional subvolcanic batholith. Alkaline mantle magmas that accompanied the semi-continuous intrusion...

2015

Structures in Peninsular Malaysia and Their Interpretations

B. K. Tan

Geological Society of Malaysia (GSM)

... and structural setting of the Siera Nevada Batholith, California. Pacific Geology, 8, 73-78. Beloussov, V.V., 1962. Basic problems in geotechnics. McGraw-Hill...

1982

Speculative Model of Mesozoic Geodynamics, Central Baja California to Northeastern Sonora (Mexico)

Claude Rangin

Pacific Section SEPM

... Cretaceous age (Alisitos Formation-Peninsular Batholith), forms the backbone of northern and central Baja California, and extends into Sinaloa. (4...

1978

Clast Populations in Sespe and Poway Conglomerates and Their Possible Bearing on the Tectonics of the Southern California Borderland

John A. Minch, Keith N. Gibson, Gary L. Peterson

Pacific Section of AAPG

... probably were locally derived as they resemble rocks of the Santiago Peak Volcanics and southern California batholith. For the remainder of the paper we...

1976

The Significance of the Catalina Schist in the History of the Southern California Borderland

J. P. Platt

Pacific Section of AAPG

... of the southern California batholith. Trench or subduction complexes are normally 50-300 km from their associated igneous arcs (Dickinson, 1971); so...

1976

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