Abstract: Spatial-temporal Boundaries of Shale Diagenesis Inferred from Magnetic Fabrics and Paleomagnetism; #90283 (2016)

Gerhard Heij, Doug Elmore, Jennifer Roberts, Alex K. Steullet, Devin Dennie

Search and Discovery.com

... as well as evidence for multiple fluid-flow events. Evidence for hydrothermal alteration includes unusual minerals such as magnesite and witherite...

Fractures Types of Volcanic Reservoir and its Significance to Reservoir in the Dixi Area of the Kelameili Gas Field, Junggar Basin, Northwestern China; #20358 (2016)

Liu Xiaohong, Feng Mingyou, Xi Aihua, Liu Chang

Search and Discovery.com

... fractures and high parts of structures. Weathering, leaching, hydrothermal fluids and organic acids Weathered fractures • Explosion fracture Multiple...

Petroleum Prospects of Lebanon: A New Approach with Implications from Diagenesis Studies and Regional Correlation

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Geomorphology of Drainage Patterns: Clues to Coal Gas Natural Fracture Timing, Orientation and Location, Raton Basin, Colorado-New Mexico

Jay C. Close, Russell R. Dutcher

Rocky Mountain Association of Geologists

... intrusive systems resulted in varying degrees of contact metamorphism and hydrothermal alteration of sandstones in the Paleocene Poison Canyon Formation...

Assessing the extent of carbonate deposition in early rift settings

Paul M. Mitch Harris, James Ellis, Samuel J. Purkis

AAPG Bulletin

...-surface spring vents. The second forms where thin sheets of water flowed over terraces and mounds around the hot springs in response to variable...

Thermal effects of Zechstein salt and the Early to Middle Jurassic hydrothermal event in the central Polish Basin

Gary W. Zielinski, Pawel Poprawa, Jan Szewczyk, Izabella Grotek, Hubert Kiersnowski, Robyn L. B. Zielinski

AAPG Bulletin

...Thermal effects of Zechstein salt and the Early to Middle Jurassic hydrothermal event in the central Polish Basin Gary W. Zielinski, Pawel Poprawa...

Origin, migration pathways, and prediction of high carbon dioxide accumulations in the Lower Saxony Basin (northwestern Germany): Part II

Johannes Schoenherr, Volker Lüders, Maike Leupold, Bianca C. Pauli, and Lars Reuning

AAPG Bulletin

... analyses of hydrothermal cements from the northeast-striking veins reveal up to 100 mol % CO2, formation temperatures up to 315°C, and near-lithostatic...

THE CONCEPTS OF SUPERGENE VERSUS HYPOGENE EMPLACEMENT OF URANIUM AT RABBIT LAKE, SASKATCHEWAN, CANADA

H.D. Knipping

Saskatchewan Geological Society

..., which is in the hydrothermal range. The hydrothermal theory of emplacement would eliminate the problem of fixation of quadrivalent uranium by reducing...

Frontmatter, TOC: Journal of the Alaska Geological Society, third volume. Proceedings of the 1982 Symposium: Western Alaska Geology and Resource Potential, Anchorage, Alaska, 1983

Gil Mull, Katherine Reed

Alaska Geological Society

... High-temperature hydrothermal resources in the Aleutian arc Roman J. Motyka 87 Outline of geology and mineral resources of upper Kuskokwim region...

Abstract: Geothermal Studies in Region of Isolated Hot Springs, Western Montana, by R. A. Chadwick; #90979 (1975).

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Abstract: Petroleum Source Beds in Mississippian Flysch, Eastern Great Basin and Western Rocky Mountains, by F. G. Poole, E. G. Sable, C. A. Sandberg; #90979 (1975).

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ABSTRACT: Contribution of in situ observations to sedimentary analysis, structural evaluation and kinematics of present day tectonic deformation on the southern part of the accretionary prism of the Lesser Antilles

Griboulard, R, Faugeres, J., Huyghe, P., Bobier, C., Gonthier, E., Deniau, Y. and, Welsh, R

Geological Society of Trinidad & Tobago

... dives. Some of these faults drive hydrothermal fluids which induce strong diagenetic processes (very large carbonated crusts and chimneys, oasis...

ABSTRACT: Felsic-intrusion-related Gold Deposits: Diversity and its Significance

Francois Robert and K. Howard Poulsen

Saskatchewan Geological Society

... group. Other deposits, such as Contact Lake, show successive hydrothermal stages and may combine characteristics of both groups. Different factors...

ABSTRACT: The southern part of the Lesser Antilles accretionary prism: a model of active deformation

Griboulard, R., Bobier, c. Huyghe, P., Faugeres, J. C., Gonthier, E. and Morette, L.

Geological Society of Trinidad & Tobago

... by important encrustation. The. origin of these diagenetic carbonated crusts is related to circulation of deep fluids associated with hydrothermal activity...

Abstract: Uranium deposits, episyenites and peralkaline rocks: the carbonate connection

D. F. Strong

Atlantic Geology

... correlation between uranium and C02 content, corresponding to experimental predictions of uranium transport by carbonate complexes in hydrothermal...

Abstract: Extensional Tectonics in the Great Basin: Bristol Range Thrust, Pioche District, Nevada, an Example?

R. L. Langenheim, Jr.

Earth Science Bulletin (WGA)

... deformation and hydrothermal alteration are absent. In the West Range, rocks assigned to the ‘overthrust block’ mostly consist of repeated...

Catastrophic acid crater lake drainage, lahar, and acidic aerosol formation at Mount Chiginagak volcano, Alaska - Abstract

Janet R. Schaefer, William E. Scott, Robert G. McGimsey, Janet Jorgenson, William C. Evans, Bronwen Wang

Alaska Geological Society

... the hydrothermal system, or possible magma intrusion and degassing. In early May 2005, an estimated 3.8 × 106 m3 of sulfurous, clay-rich debris and acidic...

ABSTRACT: The cause of gas saturation in the coals and the carbonaceous mudstones of the Cherokee Formation (Desmoinesian Age) in the Cherokee and Forest City basins, Mid-Continent, USA

Steven A. Tedesco

The Society for Organic Petrology (TSOP)

... to thermal maturation caused by migrating low temperature hydrothermal fluids expelled from the Anadarko, Ardmore and Arkoma basins to the south...

Wrangell Saint Elias National Park and Preserve Cave Inventory Project 2009 - Abstract

Kevin Allred, Steve Lewis, Carlene Allred, Cathy Connor

Alaska Geological Society

... or hydrothermal systems that are no longer active. A bone recovered from one of the Hidden Valley caves was submitted for AMS radiocarbon dating...

ABSTRACT: Heavy Mineral and Manganese Nodule Distribution in Areas Adjacent to Taiwan

Ju-Chin Chen, Fei-Jan Lin

Circum Pacific Council Publications

... to hydrothermal activity. T h e s e nodules may h a v e originated by catalytic oxidation and absorption of m a n g a n e s e , iron, and other...

ABSTRACT: Volcanogenic Manganese Deposits in Western Cordillera

Randolph A . Koski, James R . Hein

Circum Pacific Council Publications

... investigations suggest that numerous stratiform m a n g a n e s e deposits in the western U n i t e d States were formed by hydrothermal-volcanogenic processes...

Abstract: Carbonate-hosted Pb-Zn-Ba-F deposits, and the evolution of Carboniferous Basins in Nova Scotia: a progress report

C. Ravenhurst

Atlantic Geology

... of the water, gangue minValley type and Irish type) throughout the world, range from early hydrothermal fluid erals and metals can be determined by D/H...

Organic-Inorganic Interactions During Vitrinite Maturation: Constraints from Hydrous Pyrolysis Experiments

Jeffrey S. Seewald and Lorraine B. Eglinton

The Society for Organic Petrology (TSOP)

... chemistry, temperature, and time were examined. Methods A series of hydrous pyrolysis experiments were conducted in a flexible cell hydrothermal apparatus...

Abstract: Petrogenetic Studies of the Burnthill Granite and Related Sn-W Mineral Deposits, Central New Brunswick

H. E. MacLellan, R. P. Taylor

Atlantic Geology

... (i.e .. joints, faults, stockworks); 2) the thermal regime at the time of fracturing; 3) the location of the hydrothermal system with respect...

Abstract: Alteration Associated with Meguma Gold Deposits in Southeastern Nova Scotia, Canada

P. K. Smith, D. J. Kontak

Atlantic Geology

... by epidote in the quartz veins at some of the gold districts. A working model is suggested in which a deepseated heat source channelled hydrothermal fluids...