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The AAPG/Datapages Combined Publications Database

Showing 10,856 Results. Searched 196,374 documents.

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Diagenesis of Oolites in Lodgepole Formation (Mississippian), Central Montana: ABSTRACT

S. E. Jenks, J. L. Wilson

AAPG Bulletin

... color of the upper grainstone layer may be due to recent weathering. End_of_Article - Last_Page 631...

1972

Interactions Between Microbial Populations and Organic-Matter Discharges: ABSTRACT

Byron J. Mechalas

AAPG Bulletin

... sequence proceeding from the light-molecular-weight compounds to the heavier end of the molecular-weight spectrum and are related to natural weathering...

1973

Cementation, Diagenesis, and Paragenetic Sequence in Biyad-Wasi Sandstones (Lower-Middle Cretaceous) of Central Saudi Arabia: ABSTRACT

Mohamed A. Moshrif

AAPG Bulletin

... include weathering, which has created new pore spaces, and precipitation of silica dust (probably of aeolian origin) in such pores, and the formation...

1980

Mineral Reactions in Shale Diagenesis: ABSTRACT

John Hower

AAPG Bulletin

... terrestrial weathering minerals) into shales involves a major mineralogic change that has been followed in many sedimentary basins throughout the world...

1981

Dedolomitization, Dolomitization, and Chertification in Fort Payne Formation: Relative Timing and Mechanism: ABSTRACT

David N. Lumsden

AAPG Bulletin

... for an unconformity within or adjacent to the Fort Payne, suggesting that the dedolomite is not related to exhumation and weathering. Minor mineralogy...

1984

Depositional and Diagenetic History of Buda Limestone in Central Texas and Its Relationship to Petroleum Potential: ABSTRACT

Rodger L. Dickey

AAPG Bulletin

... where the upper Buda was exposed to weathering. End_of_Article - Last_Page 249...

1985

Recognition of Paleosilcretes: Example from North Texas: ABSTRACT

Robert C. Murray

AAPG Bulletin

... be hampered by weathering, erosion, or subsequent burial. Silcretes develop during periods of exposure and nondeposition and can represent cumulative...

1985

Seam Profiling of Three Coals from Upper Cretaceous Menefee Formation near Durango, Colorado: ABSTRACT

Mark J. Pawlewicz

AAPG Bulletin

... (if they show signs of weathering or transportation), and their modal composition were observed. The observed petrography indicates two main environments...

1985

Seismic Exploration for Pennsylvanian Granite Wash Reservoirs, Palo Duro Basin: ABSTRACT

William J. Hryhor

AAPG Bulletin

... reflection common-depth-point technique was designed specifically for the Palo Duro basin. The goal was to locate hydrocarbon traps in the Pennsylvanian...

1985

Occurrence of Uranium in Organic-Rich Black Mudstones of the Early Mesozoic Newark Basin in New Jersey and Evidence of Seconda

Zoltan Szabo

Search and Discovery.com

... weathering rind; the weathering of these minerals  was likely also a source of iron oxide for grain and fracture coatings. The association of alpha‐ particle...

2011

Abstract: ISOTOPE GEOCHEMISTRY OF THE CHERT IN THE ST. JOE AND BOONE FORMATIONS, LOWER MISSISSIPPIAN, SOUTHERN MID-CONTINENT; #90298 (2017)

Julie Cains

Search and Discovery.com

... origin, such as silica secreting organisms including sponges, radiolarians, and diatoms. Other hypotheses include crustal weathering with river...

2017

A THEROPOD NESTING TRACE WITH EGGS FROM THE UPPER CRETACEOUS (CAMPANIAN) TWO MEDICINE FORMATION OF MONTANA

FRANKIE D. JACKSON, REBECCA J. SCHAFF, DAVID J. VARRICCHIO, JAMES G. SCHMITT

PALAIOS

... a graphic projection of the egg to fit a partial sphere, two conical frusta, and a parabola. This allowed more precise calculations of total egg...

2015

Paleohydrographic influences on Permian radiolarians in the Lamar Limestone, Guadalupe Mountains, west Texas, elucidated by organic biomarker and stable isotope geochemistry

Paula J. Noble, Hiroshi Naraoka, Simon R. Poulson, Eri Fukui, Yuxi Jin, Sarah O'Connor

PALAIOS

... and of these, 13 yielded radiolarians (Fig. 2). Each bed is distinguished from the bed above and below by subtle weathering breaks, separating intact pieces...

2011

Implications of Stratigraphic Variability of Source Rocks: Chapter 2

B. J. Katz, T. M. Breaux, E. L. Colling , L. M. Darnell, L. W. Elrod, T. Jorjorian, R. A. Royle,V. D. Robison, H. M. Szymczyk, J. L. Trostle, J. P. Wicks

AAPG Special Volumes

... and the potential for down-dip hydrocarbon accumulations. Studies aimed at establishing source rock richness and organic matter type are used...

1993

Diagenesis of Basalts from the Pasco Basin, Washington--I. Distribution and Composition of Secondary Mineral Phases

L. V. Benson, L. S. Teague

Journal of Sedimentary Research (SEPM)

..., apatite, pyrite, phillipsite, gypsum, erionite, and chabazite. The generalized precipitation sequence with time and/or depth was found to be clay...

1982

Evidence of Weathering at the Silurian-Devonian Contact in Central Ohio

C. H. Summerson

Journal of Sedimentary Research (SEPM)

...Evidence of Weathering at the Silurian-Devonian Contact in Central Ohio C. H. Summerson 1959 Vol. 29 No. 3. (September), Preservation of a lens...

1959

ABSTRACT: ROSE RUN PAY ZONE PETROLOGY*

Richard L. Stollar, Columbia Natural Resources, Charleston, West Virginia

Ohio Geological Society

... is conspicious by its absence. This would suggest an open system during feldspar weathering from which the kaolinite was flushed. SEM confirms...

1994

Spray River Formation

F. G. Fox

CSPG Bulletin

... formation consists of brown to reddish-brown weathering, dark grey, fine grained, silty and sandy carbonate rocks, with fissile shales towards the base...

1956

Sandstone Diagenesis

Earle F. McBride

New Orleans Geological Society

... of deposition until the stage of metamorphism is reached. Some workers exclude weathering from the realm of diagenesis, but weathering effects cannot...

1983

Abstracts of Theses: Stratigraphy of the Lower Rocky Mountain Supergroup in the Southern Canadian Rocky Mountains

Darcy Lon Scott

CSPG Bulletin

.... The Todhunter, Tyrwhitt and Tobermory consist mainly of brown weathering, dolomitic and quartzitic, very fine- to fine-grained, pure, quartz-chert sandstones...

1967

ABSTRACT: THE VARIATION OF ORGANIC MATTER IN THE WEATHERING OF COAL GANGUE AND PROCESS SOIL FORMING

Juan-juan Li, Yuegang Tang, Jintao Ma, Xiaole Shi

The Society for Organic Petrology (TSOP)

...ABSTRACT: THE VARIATION OF ORGANIC MATTER IN THE WEATHERING OF COAL GANGUE AND PROCESS SOIL FORMING Juan-juan Li, Yuegang Tang, Jintao Ma, Xiaole Shi...

2006

Different Aspects of Phosphorite Weathering

Jacques Lucas, René Flicoteaux, Yaacov Nathan, Liliane Prévôt, Yaacov Shahar

Special Publications of SEPM

... the depth of weathering on the topography and variations of the petro 47 PHOSPHORITE WEA THERING A Argil Secondary 0 Ferranes development...

1980

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