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Distribution of the archaeocyath-calcimicrobial bioconstructions on the Early Cambrian shelves by Anna Gandin; Françoise Debrenne is a Earth and Planetary Sciences article available to read on EtoBox.

What is Distribution of the archaeocyath-calcimicrobial bioconstructions on the Early Cambrian shelves about?

The differences and variety of structural, depositional, and compositional features observed in the Early Cambrian microbial-archaeocyath buildups preserved in the present-day continents, suggest a direct correlation between the physico-chemical factors of deposition and the structural architecture of the buildups. This can be explained in terms of their palaeogeographic collocation on the shelves (depth, energy), and hence of the areal distribution of epeiric basins and perioceanic/pericontinental platforms. Data on the analysis of biohermal communities and their architectures indicate that the relative development of the main reef-building components, as well as their evolution within the reef communities, reflects the dominant physico-chemical factors, mainly temperature and nutrient availability, and the physiography of the primary depositional setting. The bioaccumulations show different reef building styles, defined by the types of associated facies and by the early diagenetic features. They are represented by (i) mud-supported simple (Kalyptrae) to compound mounds locally with stromatactis-like cavities; (ii) dendrolitic bioherms and crustose buildups with large shelter cavi

Who reads Distribution of the archaeocyath-calcimicrobial bioconstructions on the Early Cambrian shelves?

Author

Anna Gandin; Françoise Debrenne

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 1871-174X)

Published

2010

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)