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The AAPG/Datapages Combined Publications Database

AAPG Bulletin

Abstract


Volume: 52 (1968)

Issue: 3. (March)

First Page: 536

Last Page: 537

Title: AAPG Research Committee: ABSTRACT

Author(s): G. Moses Knebel

Article Type: Meeting abstract

Abstract:

Over the years the AAPG Research Committee has maintained a strong interest in evaporites, largely encouraged by the discovery of major quantities of hydrocarbons in an evaporitic environment. Many of the papers in the main session of this annual meeting deal with "giant fields" which have been found associated directly with or very near to evaporites. The symposium of 12 papers presented earlier today gave a closer look at many of the details involved with evaporite deposition, oil generation, porosity development, environmental conditions, etc. In brief, from this symposium the listener has heard about supratidal and conventional deeper water evaporitic deposits. Also he has heard that bedded salt is a normal marine sediment and not a "chemical freak." Source beds occur in the basin deep and moderately tectonic shelf areas where porosity conveniently is available in reefs (limestone) and dolomite. Oil accumulations occur in both environments. Salt movement and solution furnish

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a variety of structures and begin with an overburden of only 2,000 ft.

Most workers feel that, of all sediments, evaporites have received perhaps the least attention from American geologists and researchers. The writer finds that evaporitic conditions provide S.P.P.S.S.; that is to say they provide source conditions; they preserve organic material; they provide porosity; they provide excellent seals (aquicludes); and they are subject to plastic flow, thus providing a variety of structures.

It is hoped that all will learn their "evaporite" lesson and use it in their oil search. The support of all geologists for research is earnestly solicited.

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Copyright 1997 American Association of Petroleum Geologists