Mathematics – Logic
Scientific paper
May 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990esrv...27..221l&link_type=abstract
Earth Science Reviews, Volume 27, Issue 3, p. 221-263.
Mathematics
Logic
13
Scientific paper
Dolomite formation and dolomitization in sedimentary environments are subjects of long-standing scientific interest. Lacustrine sediments occupy a unique position in the realm of dolomitization studies. Although lake sediments have formed the basis for a number of landmark investigations of dolomite generation, in general, lacustrine dolomites have been poorly documented. There are over 40 reported occurrences of non-detrital lacustrine dolomite of Quaternary age. Most are from either North America or Australia. Although the lacustrine environments in which these dolomites are found span a wide range of geochemical and hydrological conditions, nearly all are from saline or hypersaline lakes. About half of the occurrences are from modern settings; only 30% have been reported from Pleistocene sediments. In contrast to Holocene dolomites found in marine environments, most of the lacustrine CaMg(CO3)2is interpreted to be primary in origin. Few studies have adequately documented secondary (i.e., replacement) dolomitization in lake sediments.
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