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The AAPG/Datapages Combined Publications Database

Showing 18,092 Results. Searched 195,689 documents.

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Errors in Pre-Holocene Carbon-14 Scale: ABSTRACT

F. W. Stapor, W. F. Tanner

AAPG Bulletin

...-Ar methods yields dates which differ by 1 order of magnitude or more; either the "young" C-14 dates represent much older materials, or the "older" K-Ar...

1973

Calcareous Nannofossil Datum Levels Associated with Pliocene-Pleistocene Boundary: ABSTRACT

S. W. Wise, Jr.

AAPG Bulletin

.... The magnitude of this interval at high latitudes seemingly is greater because of an earlier last occurrence of D. brouweri in boreal regions about 2.5 m. y...

1973

Smackover Trend from Mexico to Florida: ABSTRACT

John J. Amoruso

AAPG Bulletin

... of secondary porosity development, and magnitude of porosity destruction. Low-relief anticlines, with up to about 400 ft of closure, are the most...

1973

Petroleum Fields with Reservoirs of Volcanic Rocks, Japan: ABSTRACT

T. Katahira, M. Ukai

AAPG Bulletin

... not. For development of these fields, the difficulty is in determining the location and magnitude of the lava bodies which have good porosity. End_of_Article - Last...

1974

Stratiform and Stratabound Metal Concentrations in Australia: ABSTRACT

H. F. King

AAPG Bulletin

... for many decades. As elsewhere in the world, these stratiform concentrations include some metal deposits of first magnitude, containing from...

1974

Coal Resources of Taiwan: ABSTRACT

P. Wu

AAPG Bulletin

... of v ried magnitude. Steeply dipping coal beds are rather common. The Taiwan coals generally fall into two rank categories: low-rank bituminous...

1974

Deformational Processes in Delta-Front Deposits: ABSTRACT

J. M. Coleman, L. D. Wright

AAPG Bulletin

... patterns are modified by sediment deformational processes of sufficient magnitude to endanger severely bottom-supported structures. Several types...

1974

Radiometric Age Determination of Silurian Glauconite: REPLY

J. T. Sanford , R. E. Mosher

AAPG Bulletin

... latitude in interpretation and are, at best, order-of-magnitude ages. If the ±11-m.y. correction is applied both ways to the 384 × 106 date...

1976

Seismic Stratigraphy and Structure Off Panama City, Florida: ABSTRACT

Sunit K. Addy, J. Lamar Worzel, Daniel A. Goodwin

AAPG Bulletin

... breaks of major magnitude occurred in middle Miocene and Early Cretaceous(?). Isopach maps of seven seismic stratigraphic units between Upper Jurassic...

1979

Late Ordovician-Early Silurian Strata in Mid-Continent Area: ABSTRACT

Thomas W. Amsden

AAPG Bulletin

..., by erosion. Late Ordovician glaciation reported from Africa and South America was possibly of sufficient magnitude to have caused an appreciable lowering...

1979

Geothermal Investigation of Northern North Sea: ABSTRACT

Halfdan Carstens, K. G. Finstad

AAPG Bulletin

... and interval geothermal gradients are calculated. The magnitude of the total gradients is largely dependent on the formation in which the wells have...

1979

Making Public Lands Private: ABSTRACT

J. K. Cassell

AAPG Bulletin

... the magnitude of these attacks on our resource base into sharp focus. Potential federal land and sea withdrawals, currently under consideration, total...

1979

Determination of Storm Overwash Periodicity from Stratigraphic Relations in Delaware Coastal Barriers: ABSTRACT

Evelyn M. Maurmeyer, Chacko J. John, John C. Kraft

AAPG Bulletin

... deposition reestablished on the washover-fan surface. Thickness and lateral extent of washover deposits vary depending on magnitude of wave parameters...

1979

In Search of Resolution: ABSTRACT

T. C. Moore, Jr., Karen Romine

AAPG Bulletin

... by the determination of fluctuations in abundance of faunal and floral assemblages offers the promise of increasing resolution another order of magnitude; studies...

1979

Quantitative Basin Analysis and Evolution of Deep-Marine Shale Basin, Middle Ordovician, Southern Appalachians: ABSTRACT

Ganapathy Shanmugam, Kenneth R. Walker

AAPG Bulletin

... shale basin not only reveals the timing and magnitude of geologic events but also has potential practical application in petroleum geology, as marine...

1979

Rhythms in Deep-Marine Turbiditic Shales and Fine-Grained Debris Flow: ABSTRACT

Ganapathy Shanmugam

AAPG Bulletin

... formations in eastern Tennessee. Rhythms have been described in four orders, based on their magnitude. First-order cycles (basin-fill sequences...

1979

Oil and Gas Resource Appraisal--State of the Art: ABSTRACT

Harry L. Thomsen

AAPG Bulletin

... on reliable estimates of the distribution and magnitude of oil and gas resources throughout the world. This situation calls for a high level of domestic...

1979

Uranium in Orca Basin Sediments: ABSTRACT

Frederick F. Weber, William M. Sackett

AAPG Bulletin

... substrates. Enrichments up to two orders of magnitude have been reported in anoxic sediments relative to sediments deposited in oxygenated environments...

1979

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