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pro vyhledávání: '"N. S. Chaves"'
Autor:
N. S. Chaves, Alcides N. Sial
Publikováno v:
International Geology Review. 40:748-754
Holocene beachrocks of Northeast Brazil are composed predominantly of quartz (90%) with minor carbonate fragments (6% algal detritus) and feldspars (4%). The cement shows three textural varieties: (1) calciferous, surrounding siliciclastic grains; (2