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Supplement to an Astronomical Theory of Tektites *
Author(s) -
Rufus W. Carl
Publication year - 1940
Publication title -
contributions of the society for research on meteorites
Language(s) - English
Resource type - Journals
eISSN - 1945-5100
pISSN - 0096-2813
DOI - 10.1111/j.1945-5100.1940.tb00308.x
Subject(s) - observatory , citation , library science , history , art history , computer science , astronomy , physics
1. Composition.-The composition of the parent magma is not well known, but the silica content of some magmatic ores rises to 93% to 96% and the alumina content (second in tektites) rises to 60%-. The difference between tektites and natural terrestrial glasses has been frequently emphasized, but the greater difference between tektites and meteorites has not been equally stressed. The following comparison indicates these relationships.f