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The AAPG/Datapages Combined Publications Database

Showing 6,038 Results. Searched 200,357 documents.

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Clay Mineralogy of Pluvial Lake Sediments, Southern High Plains, Texas

W. T. Parry, C. C. Reeves, Jr.

Journal of Sedimentary Research (SEPM)

.... The marked asymmetry on the high angle side of the 10A illite peak is produced by the higher order diffraction from the 18A montmorillonite peak...

1968

Differential Surface Weathering of Bighorn Dolomite

Clayton H. Johnson, Donald L. Biggs

Journal of Sedimentary Research (SEPM)

... occurred in two samples. The samples from the most prominent ledges, those of the lower part of the upper half of the 60-foot section in both localities...

1955

X-Ray Determination of Calcite-Dolomite: an Evaluation

C. F. Royse, Jr., J. S. Wadell, L. E. Petersen

Journal of Sedimentary Research (SEPM)

... on the diffraction pattern of the carbonate components, dolostones with low insoluble residues were sought. One sample each from the Cathedral...

1971

ABSTRACT: A Tale of Two Tufas

Abigail Miller, Dr. John Weber, Dr. Ian Winkelstern

Geological Society of Trinidad & Tobago

... waters change abruptly, such as when there is a decrease in water temperature. These changes allow carbon dioxide to escape from the water or calcium...

2022

Abstract: Energy and Shock Effect of a Recent Meteor Impact, South Mountain, Nova Scotia

George R. Stevens

Atlantic Geology

... taken from the rim wall reveals diaplectic shock reduction of orthoclase lattices (Maskelynite), induction of gridiron twinning, and pervasive...

1988

Abstracts of Theses: The Geochemistry of Precambrian Argillites: Purcell System

Leask, D. M.

CSPG Bulletin

... from the Precambrian Purcell System of southeastern British Columbia and southwestern Alberta were analysed for Li, Na, K, Rb, Mg, Ca, Sr, Mn, Fe, Co, Ni...

1968

Abstract: Potential Alkali…Silica Reactivity of Tuffaceous Rocks in the Pengerang Area, Johore

Chow Weng Sum, Ab. Majid Sahat

Geological Society of Malaysia (GSM)

... in some types of aggregates and the alkaline pore fluids originating from Portland cement_ This interaction which is known as alkali-silica reaction (ASR...

1989

Abstract: Disintegration of Road Aggregates along Parts of the Gurun-Alor Setar and Ipoh-Changkat Jering Highways

Abdul Majid Sahat, Chow Weng Sum

Geological Society of Malaysia (GSM)

... form part of the proposed North-South Highway stretching from Buklt Kayu Hltam In the north to Johor Baru In the south. Soon after the completion...

1990

Abstract: Study of Dustfall in the Labu-Nilai-Pajam Area

Ng Tham Fatt, Yap Siaw Yang, Yeap Ee Beng

Geological Society of Malaysia (GSM)

... Fugitive dust from rock quarries is a contentious issue. It is often regarded as a significant contributor to ambient particulate levels...

1995

Abstract: Diagenesis of Mixed-Layer Clay Minerals in the South Timbalier Area, Gulf of Mexico

Matthew W. Totten, Mark Dixon, Mark Hanan

GCAGS Transactions

... clay mineral distribution in the subsurface Gulf of Mexico. Shale sections from nine wells within the South Timbalier area were sampled at depths...

2006

Modern Cool-Water Beach Sands of Southwest England: REPLY

John R. Merefield

Journal of Sedimentary Research (SEPM)

... A., 1973, A rapid method for the determination of quartz in sedimentary rocks by X-ray diffraction incorporating mass adsorption correction: Clay...

1985

Clay-Mineral Distribution in Recent Sediments from Northern Pacific Coast of Mexico: ABSTRACT

Jorge de la Torre, Arman F. Frederickson

AAPG Bulletin

...Clay-Mineral Distribution in Recent Sediments from Northern Pacific Coast of Mexico: ABSTRACT Jorge de la Torre, Arman F. Frederickson 1966 637 638...

1966

Mineralogy and Distribution of Clay Sediments in Great Miami River Basin (Ohio-Indiana): ABSTRACT

Warren D. Huff, Joseph W. Breuer

AAPG Bulletin

.... (March) Sixty-one samples of suspended and sedimented clays were collected from master and tributary streams in the Great Miami River drainage basin...

1968

Sedimentary Processes in Arctic Ocean: ABSTRACT

Ruth E. Mullen, Dennis A. Darby, David L. Clark

AAPG Bulletin

... diffraction in 50 cores from the Chukchi Rise and Alpha Cordillera consists mainly of illite with almost equal combined amounts of chlorite and kaolinite...

1970

Recent Silica Gel from Saline Lake in Galapagos Islands: ABSTRACT

Paul A. Colinvaux, Daniel Goodman

AAPG Bulletin

...Recent Silica Gel from Saline Lake in Galapagos Islands: ABSTRACT Paul A. Colinvaux, Daniel Goodman 1971 333 334 55 2. (February) A 4-m drill core...

1971

Marine Diagenesis of Carbonate Sediment, Bonaire, Netherlands Antilles: ABSTRACT

D. F. Sibley, R. C. Murray

AAPG Bulletin

... below the sediment surface, varies from 5 to 20 cm in thickness, and is restricted to an area beneath a broad intertidal and subtidal flat. Beachrock...

1972

Epigenetic Alunite Pisolites Formed by Natural Gases in Western Merced County, California: ABSTRACT

Nikola P. Prokopovich, Luvern L. Resler

AAPG Bulletin

... created an acidic medium (with pH values ranging from 0.5 to 4.5) containing sulfur, sulfides, sulfates, and black and white discoloration. A peculiar...

1973

Occurrence and Alteration of Clay Minerals in Caribbean Sea: ABSTRACT

C. M. Johnson, T. R. McKee, A. H. Bouma

AAPG Bulletin

... vertical and horizontal trends in clay mineralogy are examined in cores from the southwestern and central Caribbean. X-ray diffraction, differential...

1973

Diagenetic Alteration in Eocene Alluvial-Plain Deposits, Sierra Nevada Foothills, California: ABSTRACT

James I. Maynard

AAPG Bulletin

... of thin sections and X-ray diffraction patterns reveals that mica, amphibole, and feldspar in cobbles of various compositions are replaced predominantly...

1979

Chemical Differentiation of Temperate and Tropical Limestone-Derived Soils: ABSTRACT

W. C. Isphording

AAPG Bulletin

... samples, certain trace elements were determined as well (Ba, Zn, Sc, La, Ce, Eu, Lu, Rb, Hf, Cr, and Co). X-ray diffraction analyses were also carried...

1979

Water-Rock Interaction During Clastic Diagenesis in Both Open and Closed Systems: ABSTRACT

Ian Hutcheon

AAPG Bulletin

... with mineral reactions inferred from X-ray diffraction. Equilibria of the form (2), kaolinite + K+ ^rlhar2 clay mineral or feldspar + H+, can be used...

1980

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