Sedimentary basin development in the Archaean

Details Sedimentary basin development in the Archaean Sedimentary basin development in the Archaean

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980e%26psl..48...35m&link_type=abstract

Earth and Planetary Science Letters, Volume 48, Issue 1, p. 35-41.

Computer Science

4

Scientific paper

The time history and magnitude of the subsidence in a sedimentary basin depends on the extent to which the lithosphere is thinned by stretching and on its original thickness. Hence the history and stratigraphic thickness of early Precambrian sedimentary basins, preserved as greenstone belts, should provide estimates of lithospheric thickness during the first half of the earth's history. Only the thickness of shallow-water sediments deposited without faulting is of relevance, and the best available estimates are compatible with all lithospheric thicknesses which have been suggested. The same is true of the estimates of the duration of the subsidence. Nonetheless radiometric dating can probably now provide estimates of the duration of the subsidence which are sufficiently accurate to constrain the models of the earth's thermal history if carried out for this purpose.

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