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In the field of sedimentary research, ever increasing emphasis has
been put on the investigations of carbonates and carbonate rocks
during the past 30 years. It is thus quite natural that in Central
Europe - where c1assical carbonate in vestigations have already
been carried out 100 years ago - numerous scholars turned to the
study of this sediment type. On the occasion of a visiting
professorship of G. M. FRIEDMAN at the Labora torium fur
Sedimentforschung, Heidelberg University, a seminar on "Recent
Developments of Carbonate Sedimentology in Central Europe" was held
in July 1967. 90 persons involved in carbonate investigations
participated, and 35 lectures were held. The present volume
contains 30 papers summarizing the different subjects of the
seminar. Of course these contributions only represent a small part
of the work actually performed in the field of carbonate research
in Central Europe. We believe, however, that they give a general
survey of the work and the working methods employed in the
different sectors of carbonate investigations. One of the purposes
of the present symposium is to acquaint the English speaking
countries with our recent results which usually - due to the
language barrier - are not accessible to them.
WOLFGANG E. KRUMBEIN In this section we deal with special aspects
of the Gavish Sabkha, and in two contributions with the very
similar environments of the Ras Muhammad Pool (Chap. 10) and the
Solar Lake (Chap. 15). Comparisons are made, however, in the
individual contributions to other evaporative systems. Much ofthe
work was stimulated by our late friend Eli Gavish during his pro-
ductive years of sedimentological studies along the shores of the
Gulf of Elat. An- other stimulus was initiated by the agreement
that the Solar Lake and the Gavish Sabkha were selected as model
cases for a Project of the International Geological Correlation
Program. Its subject is Early Organic Evolution and Mineral and En-
ergy Resources. It is presently chaired by one of the chapter
authors (M. Schid- lowski). A subproject, chaired by S. Golubic and
W. E. Krumbein is entitled Fossil stromatolitic microbial
ecosystems and their modern analog. Another sub- project chaired by
G. Eglinton deals with the possibilities of finding marker mol-
ecules in ancient oil-producing sedimentary environments by
comparison with nonpolluted modern systems. Also, this group had
chosen the Solar Lake and the Gavish Sabkha as case study systems.
Organic geochemistry, metal deposit for- mation in the
biosedimentary environment and the comparison of recent and an-
cient productivity and sulfate reduction systems thus were the main
purposes of the specialized studies undertaken in the Gavish Sabkha
and the Solar Lake.
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