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The AAPG/Datapages Combined Publications Database
Showing 5,353 Results. Searched 196,194 documents.
The Sundance Gold Deposit in the Bear Lodge Mountains of Northeastern Wyoming
Gregory A. Hahn, Charles F. Bauer
Wyoming Geological Association
... characterize the deposit. Desilication was the first phase, producing a porous vuggy texture. This texture is the result of hydrothermal solutions...
1991
Abstract: Geochemistry and petrography of part of the Sprogge property, Yukon Territory
Kris Carruthers
Atlantic Geology
... dykes and older mafic dykes are present. Hydrothermal alteration minerals consist of clinopyroxene, garnet, hornblende, wollastonite, muscovite, chlorite...
1999
ABSTRACT: Mineralogical Changes in the high rank coals of the South Walker Creek Area, Northern Bowen Basin
Asep K. Permana, Colin R. Ward
The Society for Organic Petrology (TSOP)
... such as dickite, nacrite, kaolinite, calcite, ankerite and some apatite, probably produced by precipitation from hydrothermal solutions. Fluid circulation...
2010
Limestone-Dolomite Transition in the Ordovician Platteville Formation in Wisconsin
Robert W. Deininger
Journal of Sedimentary Research (SEPM)
... to ferrous iron. Dolomitization resulted from the introduction of magnesium and took place after lithification. Sea water, ground water or hydrothermal...
1964
Abstract: The distribution of gold in sulphides from the Lodestar Prospect, Newfoundland, as determined by LAM-ICP-MS analyses
J. G. Hinchey, D. H. C. Wilton
Atlantic Geology
..., polylithic, magmatic-hydrothermal breccias have significant gold contents including 58.5 g/t Au in a grab sample of massive arsenopyrite. Other sulphide phases...
2005
Abstract: Deep crustal structures as controls on magmatism and copper mineralization in the Urumieh-Dokhtar arc, Iran
Alireza Zarasvandi, Sassan Liaghat, Marcos Zentilli
Atlantic Geology
... plutons, and hydrothermal and porphyry type copper mineralization. Deep crustal structures as controls on magmatism and copper mineralization...
2006
Abstract: A structural analysis of the MAW zone sub-economic rare-earth element deposit, Wheeler River Property, northern Saskatchewan, and the relationship of structures and alteration to possible uranium mineralization
Marie Barker
Atlantic Geology
... be related to possible uranium mineralization in the area as it may represent the distal halo of a hydrothermal system responsible for uranium...
2006
Abstract: Volcanogenic massive sulphides of the southern Tulks Volcanic Belt, central Newfoundland: environments and styles of mineralization
J. G. Hinchey
Atlantic Geology
... for the development of large and potentially ore producing hydrothermal systems. Volcanogenic massive sulphides of the southern Tulks Volcanic Belt, central...
2007
Abstract: Hydrometallurgical Recovery of Copper from the Copper Sulphide by-Product of Sungei Lembing Tin Mine
Sia Hok Kiang
Geological Society of Malaysia (GSM)
... the milling of the Sungei Lembing tin lodes. The hydrothermal tin lodes of Sungei Lembing are sulphide rich. The sulphide minerals are mainly pyrite...
1996
Abstract: Geology of the Ice Cu-Au deposit, Yukon
Adam Fage, Marcos Zentilli
Atlantic Geology
... granodiorite phases of the early Jurassic Granite Mountain Batholith. Fabrics and recrystallized quartz veinlets suggest that hydrothermal mineralization...
2008
Abstract: Mineralogical and chemical characteristics of alteration in the Afton copper-gold porphyry, Kamloops, British Columbia
Morgan Quinn, Yana Fedortchouk, Jacob Hanley
Atlantic Geology
... hydrothermal alteration of varying intensity. The reason for the PGE enrichments in the deposit is still unknown, but is believed to be related to emplacement...
2008
ABSTRACT: Geothermal Resource Base, Snake River Plain, by Leah V. Street and Robert E. De Tar; #91040 (2010)
Search and Discovery.com
2010
Abstract: Carbon dioxide in mafic magmatic systems: an experimental study to test the importance of CO2 in the formation of magmatic sulphide deposits
Brandon Boucher
Atlantic Geology
...) with the minerals chalcopyrite and pentlandite, as well as the pure metals nickel (Ni) copper (Cu), in large volume hydrothermal autoclaves with a particular...
2010
Abstract: Perubahan batuan dinding berkaitan dengan permineralan emas di Penjom Gold Mine, Pahang, Malaysia (IN MALAY), Changes related to mineralization of rock wall gold in Penjom Gold Mine, Pahang, Malaysia
Wan Fuad Wan Hassan, Heru Sigit Purwanto
Geological Society of Malaysia (GSM)
... in Penjom is due to the interaction of hydrothermal activity, igneous intrusions, quartz veins and fault zones. Three dominant types of alteration...
2001
ABSTRACT: Epigenetic and Deep-Burial Dolomitization of Middle Ordovician Antelope Valley Limestone (Pogonip Group), Central Nevada, by Ali Kaya and Gerald M. Friedman; #91030 (2010)
Search and Discovery.com
2010
Abstract: A preliminary fluid inclusion study of interstitial quartz from pegmatitic gabbro in the East Bull Lake Intrusion, Ontario, Canada
Brandon M. Boucher, Jacob J. Hanley
Atlantic Geology
... trapped inclusions) representing late-stage magmatic-hydrothermal fluids were characterized by microthermometry using patches of interstitial quartz...
2013
Comparative Hydrodynamic and Thermal Characteristics of Sedimentary Basins and Geothermal Systems in Sediment-Filled Rift Valleys
Wolfgang Polster and H. L. Barnes
AAPG Special Volumes
..., Walgenwitz et al., 1985; Girard et al., 1989) provide examples of the migration and upflow of hydrothermal fluids and their effects on the maturity of basin...
1994
Geologic Controls on the Distribution of Chemosynthetic Communities in the Gulf of Mexico
James F. Reilly, Jr., Ian R. MacDonald, E. K. Biegert, and James M. Brooks
AAPG Special Volumes
..., 1988a; Brooks et al., 1987a,b, 1990; MacDonald et al., 1990a,b). These communities are taxonomically similar to the hydrothermal vent communities...
1996
Abstract: The Geology of the Zuun Mod-Khuvyn Khar Porphyry Complex, Southwestern Mongolia
Michael A. MacDonald, G. Bat-Erdene
Atlantic Geology
... in the Khuvyn Khar part of the complex that coincide with hydrothermal intrusive breccias with Cu- and Mo- mineralized clasts and matrix, indicating...
2014
Abstract: Geomatics Applications in Planetary Science: An Investigation into the Geological Environment of the Nili Fossae Region of Mars Using Remote Sensing Data and GIS
Catheryn Ryan, Livio Tornabene, Andrew Macrae, Randolph Corney
Atlantic Geology
... hydrothermal alteration system characterized by polygonal surface cracks; breccia and potential melt ridges associated with the ejecta blanket of nearby...
2015
ABSTRACT: Distribution of Dolomite in Lower Ordovician El Paso Formation, by Russell E. Clemons; #91034 (2010)
Search and Discovery.com
2010
Formation of the Oil and Gas Pools of the Verkhnetelekay Field, Anadyr Basin
D. I. Agapitov, Yu. K. Burlin, V. F. Ivanov, T. M. Shlykova
Petroleum Geology: A Digest of Russian Literature
... of development of the region of the Povorot-Telekay zone of highs, the rocks were subjected to extended hydrothermal activity throughout large areas...
1992
Abstract: Comparing CO2 sequestration experimental methods and investigating CO2 sequestration using Type I and Type II serpentine groundwaters
Mattea McRae, Penny Morrill
Atlantic Geology
.... This hydrothermal alteration occurs naturally in ophiolites; sections of ocean crust and upper mantle that have been emplaced onto a continental plate...
2018
ABSTRACT: Prediction of Reservoir Quality and Porosity Basement in Sandstones of the Pakawau and Kapuni Groups, Taranaki Basin, New Zealand--Preliminary Results, by S. Bloch, K. P. Helmold; #91003 (1990).
Search and Discovery.com
1990
Mineral Resources of State of Sinaloa, Mexico--Summary: Minerals
D. A. Cordoba, M. Patino-a
AAPG Special Volumes
... deposits in the area can be divided, on the basis of their characteristics, as follows: (1) hydrothermal (epithermal, cavity filling); (2) metasomatic...
1976