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The AAPG/Datapages Combined Publications Database
Showing 5,393 Results. Searched 196,956 documents.
Uranium Deposits in Southwestern Wyoming and Northeastern Utah
William H. Wilson
Wyoming Geological Association
... geologists probably favor an epigenetic origin of the sedimentary deposits, but whether the uranium-bearing solutions were hydrothermal or originated...
1955
Development of San Kamphaeng Geothermal Energy Project, Thailand
Tavisakdi Ramingwong, Surachai Praserdvigai
Geological Society of Malaysia (GSM)
... by the Na-K-Ca thermometer(Ramingwong et al., 1980), using the results of analysis of the chemical composition contained in the hydrothermal solution...
1986
The Pre-Cambrian Complex of Grand Teton National Park, Wyoming
Charles C. Bradley
Wyoming Geological Association
... is not known to this author, but they do cut the pegmatic materials and may represent a late hydrothermal stage of the Buck Mountain stock. Seldom...
1956
The Wang Phar Tungsten Deposits
Tan Say Biow
Geological Society of Malaysia (GSM)
... in the formation of hydrothermal vein systems which were concentrated in the granite cusps and impounded beneath the invaded rocks. The vein systems at Wang Phar...
1989
Application of Geothermal Energy to Mineral Processing: Cyanide Heap-Leaching of Low-Grade Gold Ore
Thomas Flynn, Dennis Trexler, James L. Hendrix
Circum Pacific Council Publications
... resources, which appear at the surface as fumaroles and hot springs, are often co-located with hydrothermal mineral deposits (Trexler, Flynn...
1995
Prospect over and around a Strange Hill
K. F. G. Hosking
Geological Society of Malaysia (GSM)
... by an inverted conical hydrothermal breccia which contained an abundance of cassiterite and topaz and a little wolframite (Figs. 5A and 5B). The known...
1990
Gold Field Trip: Tertiary Igneous Intrusions and Related Gold Mineralization, Northern Black Hills, South Dakota
Alvis L. Lisenbee, Colin J. Paterson, J. Paul Gries, Gordon Nelson, Karl Emanuel, Jim Walsh, Mark Backens, Todd Duex
Earth Science Bulletin (WGA)
... hydrothermal vent system: Geol. Assoc. Canada/Min. Assoc. Canada Annual Meeting, Victoria, B.C., Program with Abstracts, v. 8, p. A60. Shapiro, and J.P. Gries...
1988
The Mayflower Mine
J. J. Quinlan, John G. Simos
Utah Geological Association
... structural zone. The problem is further complicated by hydrothermal alteration and by metamorphism near igneous contacts. The approximate stratigraphic section...
1968
Magnetic Anomalies and Structural Geology of Stocks and Laccoliths in the Henry Mountains, Utah
James Affleck, Chas. B. Hunt
Utah Geological Association
... minerals have been introduced in or near the stocks as a result of hydrothermal alteration, and near the surface these too are largely altered to iron...
1980
Travertines Associated With Hyperalkaline Springs: Evaluation As A Proxy For Paleoenvironmental Conditions And Sequestration of Atmospheric CO2
Thomas Leleu, Valerie Chavagnac, Adelie Delacour, Catherine Noiriel, Georges Ceuleneer, Markus Aretz, Celine Rommevaux, Sandra Ventalon
Journal of Sedimentary Research (SEPM)
..., Isotopic–geochemical characteristics of the lost city hydrothermal field: Geochemistry International, v. 45, p. 1131– 1143. Fairchild, I., Borsato...
2016
Mineragenic Implications of the Sikhote-Alin Olistostromes
A.A. Vrublevsky, L.A. Izosov, Yu.P. Yushmanov
Circum Pacific Council Publications
... and polymetallic mineralization - hydrothermal, skarn, magmatic and copper pyrite. Incidentally, the Upper Jurassic - Lower Cretaceous olistostrome...
1996
Geology of the Tecoma Disseminated Gold and Silver Deposit
Ian H. Douglas, William M. Oriel
Utah Geological Association
... and possibly the heat source for the hydrothermal system that formed the numerous jasperoid bodies and the Tecoma deposit. The dikes do not form ore but can...
1984
ZTEM natural field EM and magnetic survey results over the Berg porphyry copper project, Huckleberry district, British Columbia
Jean M. Legault, Hormoz Jahandari, Shane Ebert
International Meeting for Applied Geoscience and Energy (IMAGE)
... that surrounds a low magnetic core, most likely reflecting alternating magnetite enrichment and depletion due to hydrothermal alteration. In contrast...
2022
Fluid Inclusions Studies of Bukit Botak Skarn Deposit, Mengapor, Pahang
Goh Swee Heng, Teh Guan Hoe, Mohd Rozi Umor
Geological Society of Malaysia (GSM)
... are rarely recognized. Whilst the adamellite intrusive is commonly fractured with fine hydrothermal veins containing sulphides. The dark grey to ochre...
2003
Possible Relationships Between Mississippian Antler Mountain Fluvial Systems and Tertiary Disseminated Gold Deposits in the Eastern Great Basin
Alan K. Chamberlain, Cheryl Scott
Utah Geological Association
... in the Mississippian fluvial rocks and were locally concentrated in some places by placer processes. Hydrothermal fluids then leached the gold from...
1987
Lead-Zinc Deposits of Bleiberg-Kreuth: Chapter 1
Thilo Bechstadt, Barbara Dohler-Hirner
AAPG Special Volumes
... hydrothermal formation of mineral deposits: Devel. Sedimentology, v. 2, p. 47-52. Zankl, H., 1971, Upper Triassic carbonate facies in the Northern...
1983
Underexplored African Source Rocks
Nick Cameron, Mike Rego
GEO ExPro Magazine
... to Sasol’s fields because of the high heat flow, hydrothermal circulation and uplift tectonics commonly associated with large plume heads...
2020
Sierra Reef Complex, Middle Devonian, Northeastern British Columbia
J. F. Collins, J. H. Lake
CSPG Special Publications
... dolomitized the reef. The second, associated with fracturing and hydrothermal activity, involved selective replacement of previously dolomitized...
1988
Petrographic features of Siluro-Devonian felsic volcanic rocks in the Riley Brook area, Tobique Zone, New Brunswick: implications for base metal mineralization at Sewell Brook
R. A. Wilson
Atlantic Geology
... of volcanic rock. Circulation of hydrothermal fluids through permeable glassy lavas and through spatially-related porous hyaloclastites produced widespread...
1992
Dolomitization Kinetics: Recent Experimental Studies
Alan M. Gaines
Special Publications of SEPM
... synthetic materials Although cation ordered dolomite is readily produced under hydrothermal conditions attempts to synthesize dolomite under earth sur face...
1980
Nephrite Occurrences in the Granite Mountains Region of Wyoming
Michael E. Madson
Wyoming Geological Association
... hydrothermal quartz and quartz enriched veins in jade areas complicates the mineralogic history. The presence of these injections implies the nephritization...
1978
Gold Targeting of Fixed Wing Aeromagnetic Data Using Structural Complexity, Self-Organizing Map, and Supervised Deep Neural Network Analyses: A Case Study From the Red Lake Camp, Superior Province, Ontario, Canada
Karl Kwan, Jean M. Legault
International Meeting for Applied Geoscience and Energy (IMAGE)
... in targeting of hydrothermal mineral deposits by Yousefi and Hronsky (2023). Hronsky (2011) has argued that most of the ore-forming systems...
2023
Simulation Experiments and Characteristics of Secondary Migration Driving Force of Tight Oil: A Case Study of Jurassic in Middle Sichuan
Zhenglian Pang, Shizhen Tao, Bin Zhang, Songtao WU, Jiajing Yang, Ruiyin Chen
Unconventional Resources Technology Conference (URTEC)
... (pressure rising was caused by hydrothermal pressurization) for a while; (6) Keep on heating the reaction kettle, when the pressure in the kettle rise to 35...
2016
The Rush Valley Mining District, Stockton Quadrangle, Tooele County, Utah
Laurence P. James, William W. Atkinson Jr.
Utah Geological Association
..., Hydrothermal argillic alteration on the Helen claim, East Tintic district, Utah, in Ada Swineford, ed., Clays and Clay Minerals, New York: Pergamon Press...
2006
Using zircon geochemistry to map alteration in the Gawler Craton, South Australia
Adrienne Brotodewo, Caroline Tiddy, Diana Plavsa, Adrian Fabris
Petroleum Exploration Society of Australia (PESA)
... that is able to crystallize within hydrothermal, igneous and metamorphic environments, resulting in extreme variability in its external morphology, internal...
2019