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The AAPG/Datapages Combined Publications Database

Showing 5,392 Results. Searched 197,434 documents.

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Abstract: Preliminary geochemical interpretation of metalliferous sedimentary rocks in the Miramichi Anticlinorium, New Brunswick

David R. Lentz, Steven R. McCutcheon, James A. Walker

Atlantic Geology

... are in tum inversely related to the proportion of quartz that may be either detrital, biogenic or hydrothermal in origin. Fe, Mn, Cu, Pb, Zn, (Ag), Co...

1996

Abstract: X-ray spectroscopic investigations of the hydration structure of aqueous La3+ at elevated pressures and temperatures

Alan J. Anderson, William A. Bassett, I-Ming Chou, Sumedha Jayanetti, Robert A. Mayanovic

Atlantic Geology

... in a modified hydrothermal diamond anvil cell using the PNC-CAT X-ray microprobe at the Advanced Photon Source, Argonne National Laboratory. Analysis...

2001

Abstract: Gold and REE Distribution Patterns in Tasik Cini Volcanogenic Massive Sulphide Deposits

G. H. Teh, Sharul Amin Ahmad, Mohd. Suhaimi, Abd. Khalik Hj. Wood

Geological Society of Malaysia (GSM)

... sulphide deposits in the Tasik Cini area, Pahang Darul Makmur, to see whether their distribution patterns can serve as hydrothermal tracers during ore...

1991

Abstract: Origin of tourmaline in a potential SEDEX-type deposit, Penrhyn Group, Melville Peninsula, Nunavut

A. C. Belanger, D. Corrigan, R. A. Jamieson

Atlantic Geology

... and outer rims are interpreted as hydrothermal or metamorphic. Tourmalines range in colour from clear to light brown, locally with darker cores that may...

2011

Abstract: Fluid inclusion evaporate mound analysis: a rapid, efficient and informative means of determining fluid chemistry in hydrothermal systems

Daniel J. Kontak

Atlantic Geology

...Abstract: Fluid inclusion evaporate mound analysis: a rapid, efficient and informative means of determining fluid chemistry in hydrothermal systems...

2013

Abstract: Modeling of Lampas Kaolin Occurrence, Km 12, Spg. Pulai-Pos Slim, Ipoh by Shallow Seismic Refractions Imaging (P4B-5)

Kamar Shah Ariffin

Geological Society of Malaysia (GSM)

... hydrothermal and in-situ weathering of sugary aplite, leucogranite, pegmatites and medium to coarse-grained, porphyritic granites of the area. Numerous...

2007

Abstract: Circulation of deep groundwaters in the Canadian Shield and their relevance in ore deposit formation

Mariah C. J. Williams, Jacob Hanley

Atlantic Geology

..., of hydrothermal fluids derived from ancient saline groundwaters with unique compositional characteristics having been involved in the concentration of ore...

2016

Abstract: Neoproterozoic epithermal environments of the southern Burin Peninsula region, Newfoundland, Canada

Greg W. Sparkes

Atlantic Geology

... hydrothermal alteration. This epithermal alteration is hosted in both mafic and felsic volcanic rocks and is locally accompanied by appreciable gold...

2017

Hydrothermal and Uplift Histories of Northern Appalachian Basin: ABSTRACT

J. Edward Tillman, H. L. Barnes

AAPG Bulletin

...Hydrothermal and Uplift Histories of Northern Appalachian Basin: ABSTRACT J. Edward Tillman, H. L. Barnes 1979 1589 1589 63 9. (September...

1979

Structural and Sedimentologic Study of Cerro Prieto Geothermal Field, Baja California, Mexico: ABSTRACT

John E. Noble

AAPG Bulletin

... reservoir. Petrographic, SEM, and X-ray diffraction analyses were made of the well bore cuttings to determine the degree and distribution of hydrothermal...

1980

Regional Tectonic Features of Inner Gulf Coast Basin and Mississippi Embayment--Implications for Potential Low-Temperature Geothermal Resources: ABSTRACT

C. M. Woodruff, Jr.

AAPG Bulletin

... are preferred pathways for groundwater flow. Other geologic features that occur along this tectonic and geothermal trend are igneous plugs, loci of hydrothermal...

1980

Geology of Shely Cauldron, Pinto Canyon Area, Presidio County, Texas: ABSTRACT

Richard Cofer

AAPG Bulletin

... margins of the ring-fracture zone. The occurrence of economic mineralization associated with late-stage hydrothermal mineralization within the Shely...

1981

Geology and Uranium Deposits Along Northeastern Margin of McDermitt Caldera Complex, Southern Malheur County, Oregon: ABSTRACT

Andy B. Wallace, Michael W. Roper

AAPG Bulletin

.... Tuffaceous lacustrine sediment covers most of the southern terrane and much of the ring-fracture system. Hydrothermal alteration associated with mercury...

1981

Evaluation of Atlantic Coastal Plain Geothermal Reservoirs Using Seismic Reflection Data: ABSTRACT

Joseph J. Lambiase, J. K. Costain

AAPG Bulletin

... are also being used to estimate the distribution and size of potential hydrothermal reservoirs by interpreting compositional differences between...

1981

Cherts in Wishart Formation (Aphebian) of Labrador: Example of Rapid Shallow-Water Silica Sedimentation: ABSTRACT

Bruce M. Simonson

AAPG Bulletin

... accumulations; and the peloids to pebbles as rip-up clasts. The silica was probably hydrothermal in origin because the stratigraphic distribution...

1981

Sedimentary-Exhalative Pb-Zn Deposition, Grum Deposit, Anvil Range, Yukon, Canada: ABSTRACT

J. S. Modene, W. C. Shanks, III, D. S. Jennings

AAPG Bulletin

... "ribbon-banded" graphitic quartzite (representing both sedimentary and hydrothermal inputs) upward through pyritic quartzites, massive pyritic sulfides...

1982

Depositional-Tectonic Setting of Clastic-Hosted Lead-Zinc Sulfide Deposits: ABSTRACT

R. D. Winn, Jr., R. J. Bailes

AAPG Bulletin

..., Canada) precipitated from exhaled, hydrothermal fluids in similar depositional and tectonic settings. Host rocks suggest sedimentation in anoxic...

1982

A Simple Geological Model for Geothermal Systems in Central Range of Taiwan: ABSTRACT

Chao-Hsia Chen

AAPG Bulletin

... on hydrothermal systems reveals that ^DgrH's of 2,300 to 7,200 ft (700 to 2,200 m) and D's of 1.25 to 6.2 mi (2 to 10 km) favor occurrence of high...

1982

Copper Deposits--Frieda River Prospect, Papua New Guinea: ABSTRACT

Drew D. Henry

AAPG Bulletin

.... Extensive hydrothermal alteration has given rise to a widespread assemblage, consisting of quartz, alunite, kaolinite, pyrite, and locally, native sulfur...

1982

Experimental Results and Potential for Hot Dry Rock Geothermal Resources: ABSTRACT

John C. Rowley, Grant Heiken, Hugh D. Murphy, Michio Kuriyagawa

AAPG Bulletin

... 1982 982 982 66 7. (July) Development of hydrothermal geothermal resources associated with volcanic fields of the Circum-Pacific region is progressing...

1982

Bulgugsa Granitic Activity and Metallogeny in South Korea: ABSTRACT

Suckew Yun

AAPG Bulletin

... Tertiary Bulgugsa granitic activity. Hydrothermal vein, breccia filling, and porphyry types of copper, iron, lead-zinc, gold-silver, tungsten...

1982

Hydrothermal Mineralization Within Balcones and Luling Fault Zones of Texas: ABSTRACT

S. Christopher Caran

AAPG Bulletin

...Hydrothermal Mineralization Within Balcones and Luling Fault Zones of Texas: ABSTRACT S. Christopher Caran 1982 1426 1426 66 9. (September...

1982

A Uraniferous Granite in Central Texas: ABSTRACT

Curtis P. Conrad, Ernest B. Ledger, Thomas T. Tieh

AAPG Bulletin

... grain boundaries which is called intergranular uranium; some occurs in microfractures developed during late, hydrothermal stages. A portion...

1983

Burial Diagenesis in Carbonate Rocks: ABSTRACT

P. A. Scholle, R. B. Halley

AAPG Bulletin

... the identification of cements more complex. Such cements may be deposited by hydrothermal, artesian, or thermally convective fluids. Current research...

1983

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