A short note on the origin of the yellow glasses at the Haiti Cretaceous/Tertiary section

Details A short note on the origin of the yellow glasses at the Haiti Cretaceous/Tertiary section A short note on the origin of the yellow glasses at the Haiti Cretaceous/Tertiary section

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993e%26psl.118..349o&link_type=abstract

Earth and Planetary Science Letters (ISSN 0012-821X), vol. 118, no. 1-4, p. 349-351.

Computer Science

2

Cretaceous-Tertiary Boundary, Glass, Haiti, Limestone, Volcanoes, Zeolites, Carbonates, Iron Oxides, Silicon Dioxide

Scientific paper

The Cretaceous/Tertiary section in Haiti consists of the alteration products of palagonite, smectite, and zeolites (more than 95 percent), black glass (1 percent), and yellow glass (less than 0.01 percent). The alteration products are typical decomposition products of volcanic glasses. The black glasses are of an andesitic-dacitic composition, a clear indication as to their origin. The rare yellow glasses contain melilite crystals and are considered to be assimilative reaction products formed during the rise of the igneous magma through the overlying limestone/marl formations.

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