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The AAPG/Datapages Combined Publications Database

Showing 34,852 Results. Searched 201,049 documents.

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Eustatic Control of Distribution of Lower Upper Cretaceous Coal Beds in Utah: Application in Coal Exploration: ABSTRACT

Thomas A. Ryer

AAPG Bulletin

... cycle. Rocks deposited during the transgressive phase of the cycle generally contain only thin beds of high-ash and high-sulfur coal that are of little...

1981

Isotope Geochemistry of Calcite and Clay Minerals in Volcanogenic Rocks, Great Valley Sequence, Northern California: Implications for Organic Diagenesis: ABSTRACT

Robert K. Suchecki

AAPG Bulletin

... and conversion of smect te to a 10A clay-mineral phase. Theoretical considerations indicate that a shallow burial phase of predominantly pore-filling...

1981

Paleogeographic Setting and Depositional Environments of Santa Margarita Formation, Ventura County, California: ABSTRACT

Devin R. Thor

AAPG Bulletin

... the transgressive phase. Increased rate of sedimentation produced a seaward progradational sequence or regressive phase. Rocks that represent...

1981

Transitional Desmoinesian to Missourian Cyclic Deposits on Opposite Shores of Arkoma Seaway: ABSTRACT

Allan P. Bennison

AAPG Bulletin

... thin and developed near tops and bottoms of shale sequences. Seaway deposits are much more variable. High sea-level phase is characterized...

1981

Barra Nova Salt Domes Province, Espirito Santo Basin, Offshore Brazil: ABSTRACT

P. T. Araripe, M. Saito, S. Shimabukuro, C. H. R. Cunha, R. O. Kehle

AAPG Bulletin

..., they reached the extrusion/collapsing phase which extended to the Holocene with the salt domes being dissolved on the present sea floor. One...

1982

Fan-Delta and Lacustrine Margin Sedimentation, Chinle Formation (Upper Triassic), Canyonlands National Park, Utah: ABSTRACT

Ronald C. Blakey, Richard Gubitosa

AAPG Bulletin

... streams waned before reaching the lakes, and algal and evaporatic mud flats formed on broad lacustrine perimeters. The high fluvial output phase...

1982

Sedimentologic Aspects, Mannville Group, Southwestern Alberta: ABSTRACT

David P. James

AAPG Bulletin

..., and diagenesis of southern Alberta is now possible. Three major phases of sedimentation are recognized. The first phase of Mannville sedimentation commenced...

1982

Utilization of Interactive Computer Graphics to Solve Complex Geological Problems--A Case Study: ABSTRACT

Louis J. Klahn, Jr., John H. Doveton

AAPG Bulletin

... this phase. The next phase was to perform an in-depth, detailed analysis to discover more about the key characteristics of the formation. Most...

1982

Depositional Styles of Notikewan Member (Upper Gates Equivalent), Fort St. John Group, Northeastern British Columbia: ABSTRACT

Dale A. Leckie

AAPG Bulletin

... lag is a 5 to 10 m fining-upward transgressive phase of interbedded sandstone or conglomerate and shale. The sandstones are hummocky cross-stratified...

1982

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

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

AAPG Bulletin

... batholith. The Grum deposit consists of two sulfide horizons which were isoclinally folded into a first phase fold closure that was subsequently refolded...

1982

Facies Control of Carbonate Reservoir Properties: ABSTRACT

Jeff P. Reid, Norman C. Wardlaw

AAPG Bulletin

... phase. In Amphipore sp. wackestones, dolomitization and dissolution of Amphipore segments have produced a random distribution of small moldic pores...

1982

Reservoir Diagenesis and Convective Fluid Flow: ABSTRACT

J. R. Wood

AAPG Bulletin

... of hydrocarbon transport and accumulation by molecular solution in the aqueous phase because it appears that the components of a petroleum phase...

1982

Silica and Metal Release During Clay Mineral Diagenesis and Shale Overpressuring: ABSTRACT

Kevin C. Beck

AAPG Bulletin

... XRD band, in a poorly crystalline silicate phase. Concentrations of B in squeezates, water leachates, and different size fractions closely parallel Si...

1982

Aggregate-Resources Evaluation of Lund Nevada Mapsheet: ABSTRACT

David H. Randell, Gerald R. Allen

AAPG Bulletin

... a three-phase program was initiated to assess the relatively unknown aggregate potential of the area. Each phase became more detailed than...

1982

Use of Interactive Computer Graphics to Solve Complex Geological Problems--A Case Study: ABSTRACT

Louis J. Klahn, Jr., John H. Doveton

AAPG Bulletin

..., and crossplots during this phase. The next phase was an in-depth detailed analysis to discover more about the key characteristics of the formation. Most...

1982

Role of Fluid Inclusions in Diagenesis of Metastable Marine Cements: ABSTRACT

Kyger C. Lohmann

AAPG Bulletin

... of metastable marine cements occurs through a phase of dissolution along intercrystalline boundaries which is accompanied by precipitation of low magnesium...

1983

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