Mathematics – Logic
Scientific paper
Sep 1966
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1966gecoa..30..855l&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 30, Issue 9, pp.855-861
Mathematics
Logic
3
Scientific paper
A new theory is proposed to explain the incorporation of boron into argillaceous sediments, particularly those of deltas. This theory is based on the concept that dissolved boron in river water transfers to the surfaces of clay-sized particles by an adsorption process in the zone where river water and sea water mix. Differential adsorption of boron from river water according to particle size followed by differential deposition according to particle size, explains the boron-paleosalinity relationship found in claystones. Specifically, the finest-sized clay particles (of any mineralogical nature) adsorb the most boron and these are deposited at the greatest distance from a river mouth. At intermediate distances between the river mouth and the open ocean, the finest-sized sediments are deposited along with coarser-grained particles of lower boron content. This results in a gradual change in the boron content of whole argillaceous rocks from river mouth to the open ocean and also results fortuitously in a linear relationship between boron content of argillaceous sediments and salinity of the water of deposition.
Levinson A. A.
Ludwick John C.
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