Evidence and Modeling of Large-Scale Groundwater Convection in Precambrian Sedimentary Basins

Jeff P. Raffensperger

Special Publications of SEPM

... rich basement rocks within 100 to 1000 ky Hydrothermal alteration surrounding the ore deposits resulted from mass transport through diagenetic...

Abstract: Pegmatitic Tin Occurrences in Africa

O. von Knorring

Geological Society of Malaysia (GSM)

... away from the mine~lized pegmatites hydrothermal muscovite-quartz veins may occur, carrying cassiterite and sometimes woltramite, occasionally in large...

Abstract: Mass-balance constraints on solution transfer fabric development in the footwall felsic volcanic rocks of the Brunswick No. 6 massive-sulfide deposit, Bathurst Camp, New Brunswick: effects of deformation-induced mass transfer on host rock compositions

David R. Lentz, Cees R. Van Staal

Atlantic Geology

... in determining primary igneous and/or sedimentary features, as well as secondary features like syngenetic hydrothermal alteration associated with ore...

Abstract: The Brunswick No. 6 VMS Cu Zone, Bathurst Camp, New Brunswick: petrology, geochemical composition and petrogenesis

K. L. MacLellan

Atlantic Geology

... VMS deposits. It is usually interpreted as a hydrothermal zone-refining feature, which is consistent with: 1) the relatively high pyrrhotite to pyrite...

Abstract: Petrological and geochemical attributes of the Benjamin River porphyry Cu deposit, northeastern New Brunswick

Kirsten McLaughlin

Atlantic Geology

... ascertain the hydrothermal conditions for Atlantic Geology, November 1998, Volume 34, Number 3 Copyright © 2015 Atlantic Geology 244 AUGC ABSTRACTS...

Mineral Resources of Wyoming; 42nd Annual Field Conference Guidebook

B. Ronald Frost, Sheila Roberts

Wyoming Geological Association

... mineralization in the Early Proterozoic Lake Owen layered mafic intrusion, Medicine Bow Mountains, Wyoming, by Robert R. Loucks 37 Potential for hydrothermal...

Abstract: Gold environments in New Brunswick

M. J. McLeod, S. R. McCutcheon

Atlantic Geology

... types of gold environments are represented in the southern part of the province. Intrusion-related hydrothermal breccias appear to be associated...

ABSTRACT: Petrology of Dispersed Organic Matter in Rocks of Gold Ore Deposits(Central Kyzylkum)

I.B. Volkova

The Society for Organic Petrology (TSOP)

... alteration under comparatively 'rigid" conditions, during thermal metamorphism evolution, contact alterations, tectonic stresses, and hydrothermal...

Abstract: Age and Petrology of the Jackson Dome Igneous-Volcanic Complex, Mississippi: Implications for the Tectonic History of the Mississippi Salt Dome Basin

J. A. Saunders , D. W. Harrelson

GCAGS Transactions

... the basis for characterizing the petrology, geochemistry, and age of the Jackson dome. Most of the intrusions have undergone extensive hydrothermal...

ABSTRACT: Characterization of Fly Ash from Coal Combustion and its Application on Zeolite Synthesis

A. Paprocki, M. Pires, R. A. Ligabue, C. M. N. Azevedo, J. A. Villwock, L. S. Ferret

The Society for Organic Petrology (TSOP)

... of this fly ash by hydrothermal process was possible synthesized NaP1 zeolite with conversion yields ranging from 40 to 77 %. The zeolitic products showed...

Geology and Geochemistry of the Quaking Asp Mountain and Black Butte Silicified Zones, Green River Basin

W. Dan Hausel, Gordon G. Marlatt, Eric L. Nielsen, Robert W. Gregory

Wyoming Geological Association

..., and hydrothermal alteration at the Cannon mine, Chelan County, Washington, U.S.A., in A.J. Macdonald, ed., Gold 86: Proceedings Volume, Geological...

ABSTRACT: Comparison of Pennsylvanian age coalbed methane and shale gas resources in the Illinois and Cherokee Basins

Steven A. Tedesco, Amanda Huffer

The Society for Organic Petrology (TSOP)

... of Paleozoic section. Both basins were subject to low temperature hydrothermal fluid migration post-deposition. These fluids migrated through the lower...

Abstract: The petrology of the Lake George granodiorite stock, New Brunswick: implications for crystallization conditions, volatile exsolution, and W-Mo-Au-Sb mineralization

Xueming Yang, David R. Lentz, Douglas C. Hall, Guoxiang Chi

Atlantic Geology

..., magnetite, and pyrite. Detailed mineral compositions (EMPA) are employed to evaluate P, T, and fugacity conditions for magmatic-hydrothermal activity...

Abstract: Mineralogy and potential recovery of rutile (TiO2) as a by-product in porphyry copper deposits

T. Finlayson, A. Arnott, M. C. Graves, A. Puig, M. Zentilli

Atlantic Geology

..., suggests a fresh input of Cu into a constant reservoir of Ti during this hydrothermal event. The results suggest that full liberation of rutile would...

Abstract: The Jurassic North Mountain Basalts, Nova Scotia: more than just simple flood basalts

Daniel J. Kontak

Atlantic Geology

... hydrothermal fluids post volcanism. Atlantic Geology, 2002, Volume 38, Number 1 Copyright © 2015 Atlantic Geology...

Metallogeny and Mineral Exploration

David F. Strong

Geological Society of Malaysia (GSM)

... element concentrations to form, nor sufficiently water-deficient to rise to shallow enough depths for hydrothermal leaching and concentration, hence...

About the Editors

AAPG Special Volumes

... is also working in the geochemistry of organogenic elements and compounds in the lithosphere--in hydrothermal systems, fluid inclusions, and organic...

Abstract: Some gold prospects in New Brunswick

James A. Walker, Kathleen G. Thorne, Steven R. McCutcheon, Malcolm McLeod, David R. Lentz

Atlantic Geology

... Devonian Magaguadavic Granite, an oxidized, I-type intrusion that is the source of the hydrothermal fluids. To the northeast in the Annidale Belt...

Abstract: New perspectives on the origin and distribution of Cenozoic epithermal gold-silver deposits in the northwestern United States

David A. John

Atlantic Geology

... hydrothermal systems that develop mainly at convergent plate margins in association with arc magmatism, as well as in intra-arc, back-arc and post-collisional...

Abstract: Inverted geotherms within accretionary complexes: implications for the metamorphic orogenic gold deposit model

David R. Lentz

Atlantic Geology

...; these models invoke hydrothermal circulation systems with magmatic heat sources driving isotopically light fluid convection. This, however...

Abstract: Neoproterozoic epithermal and intrusion-related gold systems in accreted terranes of the Newfoundland Appalachians

Sean J. O’Brien, Benoit Dubé, Greg Sparkes, Greg R. Dunning

Atlantic Geology

... of the orogen were generated during several precisely dated, metallogenically significant, regional magmatic-hydrothermal pulses. These Avalonian gold...

Abstract: Evaluation and characterization of the nickel-copper-PGE potential of the Red Cross Lake intrusive suite, central Newfoundland

Patrick G. Collins, Derek H. C. Wilton

Atlantic Geology

... hydrothermal or intrusion breccia. These belts are located parallel to the basal intrusive contact and parallel to the major boundary separating the LS...

Abstract: Geochemical Exploration for Gold Mineralisation in Malaysia

A. G. Gunn

Geological Society of Malaysia (GSM)

... with galena, molybdenite, chalcopyrite and a range ofBi, Pb, Ag and Au telluride minerals. Hydrothermal alteration around the gold-bearing veins is generally...

Abstract: Sedimentology: Application of Concepts in Exploration for Petroleum, Coal and Uranium (Keynote Paper 3)

Khalid Ngah

Geological Society of Malaysia (GSM)

... for uranium which is also found in hydrothermal veins and pegmatites associated with igneous bodies, coals and petroleum are sedimentary in origin. Coal...

Abstract: Petrographic Characteristics and Aggregate Properties of the Dacite Porphyry Intrusives of the Kuching Area, Sarawak

E. B. Yeap, Mohd. M. Z. Tarmizi, J. John

Geological Society of Malaysia (GSM)

.../hydrothermal activities which had caused alterations to the'dacite porphyry which can be visually observed on the quarry faces. The alterations identified...