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The AAPG/Datapages Combined Publications Database

Showing 10,446 Results. Searched 200,639 documents.

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Geochemical Prospecting--A Critical Review: ABSTRACT

Nelson P. Stevens

AAPG Bulletin

... exploration. The major topics of investigation include: vertical migration mechanisms, radiometry, geomicrobiology, soil gas analysis, and gas logging...

1964

Some Factors Controlling Evolution of Near-Surface Diagenetic Fabrics in Pleistocene Carbonates of Barbados: ABSTRACT

R. S. Harrison, R. K. Matthews

AAPG Bulletin

... changes in 3 primary controlling factors: climate, soil, and substrate facies. These factors influence the amount and rate at which meteoric water...

1972

Paleosols as Environmental Indicators in Nonmarine Sedimentary Rocks--Example from Brule Formation: ABSTRACT

Charles R. Singler, M. Dane Picard

AAPG Bulletin

... rocks. Based on paleontologic evaluations, several stratigraphic levels have been suggested as being soils or soil complexes. Of these, two...

1979

Uranium Exploration Systems Case Study--Copper Mountain, Wyoming: ABSTRACT

Larry B. Bramlett, David A. Emilia, John F. Holden

AAPG Bulletin

... to and including the North Canning and Fuller deposits. A subregional soil survey noted overlapping anomalies of eU, xU, Pb, Cu, and Ba in the vicinity of the North...

1980

Feldspar Dissolution Before Advent of Land Plants on Earth: ABSTRACT

Abhijit Basu

AAPG Bulletin

.... In addition, continued uptake of potassium by land plants depletes the K+ ion concentration in soil waters and favors the dissolution of potassium...

1981

Prediction of Oil or Gas Potential by Near-Surface Geochemistry: ABSTRACT

V. T. Jones

AAPG Bulletin

.... Extensive field work has demonstrated that the chemical compositions exhibited by near-surface hydrocarbon soil gases are strongly coupled...

1982

An Integrative Gas Geochemical Technique for Surficial Petroleum Exploration: ABSTRACT

J. C. Hickey, R. W. Klusman, K. J. Voorhees

AAPG Bulletin

... the carbon interacts with emanating soil gases. A collection period of several days to weeks is employed, depending on soil conditions. After removing...

1983

Environmental Significance of Pisoliths, Mississippian Madison Formation of the Williston Basin, Bottineau, Renville, and McHenry Counties, North Dakota: ABSTRACT

P. K. Mescher, J. C. Pol

AAPG Bulletin

... of vadose, caliche soil conditions: (1) they lack fitted polygonal structure; (2) they have large amounts of primary pore space or cemented pore space...

1984

ABSTRACT: Search for Surface Leakage from a Large-Scale CO2 Injection Project: Rangely, Colorado; #90007 (2002)

Ronald W. Klusman

Search and Discovery.com

... an understanding of the shallow noise being generated. Measurements of CO2, CH4 and light paraffins in soil gas, and as fluxes into the atmosphere were made...

2002

ABSTRACT: Best Practices for Onshore Hydrocarbon Microseepage Surveys; #90013 (2003)

Daniel C. Hitzman, Dietmar Schumacher, Luis Clavijo

Search and Discovery.com

... quantities of hydrocarbons that occur in the pore space of soil, are adsorbed onto clay minerals, or are incorporated in soil cements. Indirect methods...

2003

ABSTRACT: Use of Iodine Surface Geochemistry for Exploration of Silurian Reefs in the Illinois and Michigan Basins; #90019 (2003)

Steven Tedesco

Search and Discovery.com

... and their by-products in the soil substrate will eventually vent to the atmosphere where they are broken down by plant and bacterial action and react with other...

2003

ABSTRACT: Characteristics, Type, Distribution, and Controlling Factors of Paleosols and Their Implications on Paleoclimatic Conditions, Cyclic Sedimentation, and Stratigraphic Correlation, Oread Cyclothem (Upper Pennsylvanian), SE Kansas and NE Oklahoma;

Monica Turner-Williams

Search and Discovery.com

... the processes controlling cyclic sedimentation. Paleosols are good climatic indicators because climatic conditions significantly control soil type and maturity...

2003

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