The paleontology and paleoecology of the Gays River Formation in Nova Scotia
LE3 .A278 1978
Master of Science
Earth & Environmental Sciences
The Gays River Formation represents the initial A subzone marine deposition of the Windsor Group in some parts of Nova Scotia . This formation has two facies, the bank and the interbank. This formation has a distinctive biotic assemblage and contains fossils not previously reported from the Windsor Group . The new records present in the formation include; Plocezyga ?sp ., Cyclopora sp. and an unknown codiacean. This formation also lacks crinoids and productid brachiopods which are common in the younger carbonates of the Windsor Group. Almost all of the banks of the Gays River Formation are molusc rich whereas the younger rnicritic buildups of the Windsor Group are usuall y brachiopod rich. The fossils of the bank facies of the formation sometimes occupy specific positions within the bank. The bank facies of this formation was formed mostly in the sublittoral zone . The rapid thinning of the bank facies away from the basement highs and its replacement by the interbank facies is due to water depth and salinity change.
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