ABSTRACT: Study on vanadium enrichment mechanism of the Humachi stone coal-type vanadium deposit in Ruanling County, western Hunan Province

Zhixun Liu, Hongzhang Dai, Guchun Zhang, Jincheng Xiao, Chi Ma

The Society for Organic Petrology (TSOP)

... siliceous rocks turn into the ore bearing siliceous rocks. Meanwhile, the δCe is significantly higher in Z2l formation, which indicates the hydrothermal...

ABSTRACT: Occurrence, distribution and origin of sulfur in Chinese coals

Yuegang Tang, Deyi Ren, Chen-Lin Chou, Weiwei Li, Cong Chen

The Society for Organic Petrology (TSOP)

... are not only derived mainly from the marine influence but also from the hydrothermal fluids. 110 Copyright © 2018 The Society for Organic Petrology...

A SUMMARY DESCRIPTION OFGEOLOGY IN THE SMITH RIVER VALLEY MEAGHER, COUNTY, MONTANA

S. L. Groff

Montana Geological Society

... in a syenitic sill was altered to phlogopite. Much of the alteration is related to hydrothermal sources...

ABSTRACT: Thermal maturation & uplift in the Moatize Basin, Mozambique

Joan Esterle, Sandra Rodrigues, Valerie Ward, Mojtaba Rajabi

The Society for Organic Petrology (TSOP)

... setting, subsidence and burial or subsequent hydrothermal overprinting can result in spatial variability across a basin. Reflectance trends were mapped...

ABSTRACT: Noble gas insights on stable isotope reversals in natural gases

Colin Whyte, Thomas Darrah

The Society for Organic Petrology (TSOP)

... to be produced in hydrothermal systems that are often mantle-derived, the thermochemical or microbial oxidation of hydrocarbons, Rayleigh fractionation...

Park City District, Utah; Frontmatter

A. J. Erickson Jr., W. R. Phillips, W. J. Garmoe

Utah Geological Association

... to the knowledge of ore deposits and in particular to the hydrothermal alteration of these deposits are well known. He did not work in the Park City...

Silver Reef, Utah, Ores and the Possibilities of Unoxidized Ores at Greater Depths1

Allen V. Heyl

Utah Geological Association

.... The ores are free of zinc, gold, arsenic, tungsten, tellurium, antimony, and bismuth, elements which are characteristic of hydrothermal deposits...

ABSTRACT: Hydrothermal Sulfide Deposits in Back-Arc Spreading Centers in Southwest Pacific

Ulrich Von Stackelberg

Circum Pacific Council Publications

...ABSTRACT: Hydrothermal Sulfide Deposits in Back-Arc Spreading Centers in Southwest Pacific Ulrich Von Stackelberg © Circum-Pacific Council for Energy...

Biogenic Opal Ge/Si Ratios as a Tracer of Upwelling Intensity in the Monterey Formation, Newport Bay, California

Richard J. Murnane

Pacific Section SEPM

... (Froelich and Andreae, 1981; Froelich et al., 1985). The two major inputs of germanium and silicon to the oceans are rivers and mid-ocean ridge hydrothermal...

Highly Evolved S Type Granite : Selim Granite, Main Range Batholith, Peninsular Malaysia

Azman A Ghani

Geological Society of Malaysia (GSM)

..., but are well documented in highly differentiated rocks with strong hydrothermal interaction (including pegmatite). The tetrad effect develops parallel...

The Mineralogy of Gold Mineralization of the Ajmal Mine, Kechau Tui, Pahang Darul Makmur

Wan Fuad Wan Hassan

Geological Society of Malaysia (GSM)

... temperature of the hydrothermal mineralizing fluid. Discussion Microscopic study Native gold is observed in two occurrences, viz. in white quartz...

Abstract: Episodic Migration of Natural Gases: A Worldwide Phenomenon of Dynamic Filling of Oil and Gas Reservoirs and Resulting Practical Applications in Exploration and Production

Martin Schoell

Houston Geological Society Bulletin

... of a CO2 rich gas into the structure. These worldwide observations help us to appreciate in oil and gas migration what is a commonplace for hydrothermal...

Deep Sea Minerals

Geo ExPro Staff

GEO ExPro Magazine

..., it will not be possible to obtain an extraction permit for active hydrothermal sources, and these will be protected so that they cannot be damaged by activities...

Petrology of Core and Cutting Samples from Wells ULB-01 and ULB-02, Ulumbu Geothermal Field, Flores, Indonesia

Pri Utami, P. R. L. Browne

Indonesian Petroleum Association

... stage. Browne, P.R.L., 1995, Hydrothermal Alteration, 86.102 Lecture Notes, Geothermal Institute, University of Auckland. Ellis, A.J., and Mahon...

Carbonates in Clastic Sequences: Mesozoic and Recent of Canada: Abstract

L. S. Eliuk

CSPG Special Publications

... coralline algal microbiostromes and rhodoliths; deep sponge mounds (under ice!); deep coral banks; hydrothermal vent or seep-associated tube worm-clam...

ABSTRACT: Mineralogy and geochemistry of Late Permian tuff in the Zhongliangshan Mine, Chongqing, Southwestern China

Jianhua Zou, Dong Liu, Heming Tian, Tian Li, Feng Liu

The Society for Organic Petrology (TSOP)

... may be caused by hydrothermal solutions. The reserves, spatial distribution, genesis and extraction methods of this new ore deposit need further study...

Mordenite and Montmorillonite Alteration of Glass Structures in a Rhyolite Pipe, Northern Black Hills, South Dakota

James G. Kirchner

Rocky Mountain Association of Geologists

..., indicates that the alteration was not the result of surface weathering, but was more likely caused by deuteric or hydrothermal activity...

Abstract: Regional Geologic, Structural, and Mineral Trends in Western South America as Related to Pacific Basin, by Jose Corvalan; #90962 (1978).

Search and Discovery.com

Abstract: Mid-Tertiary Volcanism in the Gulf of Mexico Coastal Plains: Origin of the Catahoula Tuffs Reconsidered

John J. Morony

Houston Geological Society Bulletin

... geothermal corridor. Subsequent circulation of hydrothermal fluids accompanying hydrovolcanism provides a plausible explanation for the origins...

Lake Point, North End of the Oquirrh Mountains, Utah

Edwin W. Tooker

Utah Geological Association

... N.E. trending normal faults southeast of Nelson Peak seem to have been conduits for limited hydrothermal solution migration to northeast. Figure 3...

Abstract: Hydrocarbons Associated with Igneous Rocks (North America and Worldwide)

Steve Schutter

Houston Geological Society Bulletin

... to have a marked effect.Most thermal effects are due to regional heating or hydrothermal circulation. Porosity in igneous rocks may be due...

ABSTRACT: Lithium in Chinese Coal-Bearing Strata: Occurrence, Mineralization, and Resource Potential

L. Zhao, X. Wang, S. Dai, D. French, I. Graham

The Society for Organic Petrology (TSOP)

... is considered to be from epigenetic hydrothermal fluid infiltration of the coal. Coal-hosted lithium deposits are often associated with other strategic metals...

Abstract: Geochemistry of Tuff Layers and its Implications for Li-Zr (Hf)-Nb (Ta) Enrichments in Cisuralian Coal Seams, Shanxi Province, North China

Zhanming Guo, Beilei Sun

The Society for Organic Petrology (TSOP)

... of the Al and Ti during superficial weathering, hydrothermal alteration, and volcanic processes. This diagram suggests that intermediate rocks would...

Abstract: Dating of alteration at the Radomiro Tomic porphyry copper deposit, northern Chile, by the high-precision 40Ar/39Ar method

Greg Pemberton

Atlantic Geology

... phyry deposits in northern Chile. the influence of a single major hydrothermal event of OliThe intensity of copper mineralization (bornite...

Abstract: Radiolytic Alteration of Uraniferous Organic Matter and Base-Metal Mineralization in Bytiz, Příbram District, Czech Republic

Tatiana Larikova, Ivana Sýkorová, Martina Havelcová, Bohdan Kříbek

The Society for Organic Petrology (TSOP)

...-type deposit with polyphase hydrothermal mineralization, probably caused by the granitoids of the Central Bohemian Plutonic complex. Six uraniferous...