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The AAPG/Datapages Combined Publications Database

Showing 5,515 Results. Searched 200,636 documents.

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Paleozoic and Mesozoic Arc Rocks in the Northern Sierra Terrane

Richard E. Hanson, Gary H. Girty, Melissa S. Girty, Ulsysses S. Hargrove, David S. Harwood, Matthew J. Kulow, Kristin L. Mielke, Sandin E. Phillipson, Richard A. Schweickert, Jeffrey H. Templeton

Pacific Section SEPM

... deposition in a distal setting with respect to Sierra Buttes source vents. Harwood (1983, 1992) and N Base of Peale Formation Middle Yuba River...

1996

Uranium exploration in the Athabasca Basin using low-noise airborne gravity gradient data

Darren Burrows, James Sykes

International Meeting for Applied Geoscience and Energy (IMAGE)

... gravity gradient data, and how it is sensitive to zones of hydrothermal alteration which could be indicative of uranium fertile fluid systems. The gravity...

2022

ABSTRACT: Geochemistry of Manganese Deposits of Nicoya Ophiolite Complex in Costa Rica

Sunit Kumar Addy, Eric P. Kuypers

Circum Pacific Council Publications

... and pyrolusite as predominant minerals. T h e s e facts, along with other geologic evidence, suggest that the manganese deposits are hydrothermal...

1982

Abstract: Nuclear Power and the Geology of Uranium

Richard H. De Voto

GCAGS Transactions

... association with organic material in fluvial sandstones; and hydrothermal vein uranium deposits. These three distinctly different geologic...

1979

Abstract: Petrographic assessment of organic material associated to Pectolite deposits in Dominican Republic, implications for its genesis

J. A. Espí, Á. G. Borrego

The Society for Organic Petrology (TSOP)

... pectolite is associated to hydrothermal events occurring after the main volcanic phase and the colour is considered to be associated to the presence...

2008

Abstract: Nature and timing of mesothermal gold mineralization in western Newfoundland

D. Ritcey, J. Ramezani

Atlantic Geology

... Ordovician gabbro in the cover sequence of the Point Rousse Ophiolite Complex. Broad, distinct zones of hydrothermal alteration characterized by chlorite...

1993

Abstract: Fluid chemistry and hydrological regime of a fossil geothermal system in the Antigonish Highlands, Nova Scotia

Tracy Cail

Atlantic Geology

..., St. Francis Xavier University, Antigonish, Nova Scotia B2G JCO, Canada A series of hydrothermal veins, which can be traced intermittently over 10 km...

1996

Controls on Reservoir Development in the Toca Formation of Block 0, Offshore Cabinda, Angola

Matt Wasson, Art Saller, and Dan Self

Houston Geological Society Bulletin

... was influenced by faulting and hydrothermal fluids. Stable carbon and oxygen isotopic analyses of cores and cuttings show a distinction between early...

2013

Possible Mechanism for Lithium Accumulation in Miocene Popotosa Formation, South-Central New Mexico: ABSTRACT

Sigrid Asher-Bolinder

AAPG Bulletin

... hydrothermal alteration. Such alteration could provide the mechanism for increased lithium enrichment away from the caldera. Beds of unaltered volcanic...

1981

Volcanogenic Uranium Deposits Associated with Mount Belknap Volcanics, Marysvale Volcanic Field, West-Central Utah: ABSTRACT

Charles G. Cunningham, Thomas A. Steven, James D. Rasmussen

AAPG Bulletin

... with the Mount Belknap Volcanics. Uranium deposits associated closely with igneous centers are epitomized by the hydrothermal uranium-molybdenum...

1981

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