TY - JOUR
T1 - Depositional model for the Devonian-Mississippian black-shale sequence of North America
T2 - a tectono-climatic approach.
AU - Ettensohn, F. R.
AU - Barron, L. S.
PY - 1981
Y1 - 1981
N2 - The model emphasizes regional tectonic, climatic, and sedimentary patterns rather than the specifics of black-shale deposition, i.e. it is regional controls that are emphasized in this mode. The Devonian-Mississippian black-shale sequence of North America is a distinctive stratigraphic interval that reflects a low rate of clastic-sediment influx, high organic productivity, and development of anaerobic conditions in a stratified water column within an inland, equatorial, epicontinental sea. The Black-Shale Sea and its organic-rich muds were essentially the result of subsidence and sediment-starved conditions created by the collisional event which formed the Acadian Mountains. The interaction of these mountains with the atmospheric circulation patterns of the time is an important aspect of black-shale deposition. -from US Govt Reports Announcements 12, 1981
AB - The model emphasizes regional tectonic, climatic, and sedimentary patterns rather than the specifics of black-shale deposition, i.e. it is regional controls that are emphasized in this mode. The Devonian-Mississippian black-shale sequence of North America is a distinctive stratigraphic interval that reflects a low rate of clastic-sediment influx, high organic productivity, and development of anaerobic conditions in a stratified water column within an inland, equatorial, epicontinental sea. The Black-Shale Sea and its organic-rich muds were essentially the result of subsidence and sediment-starved conditions created by the collisional event which formed the Acadian Mountains. The interaction of these mountains with the atmospheric circulation patterns of the time is an important aspect of black-shale deposition. -from US Govt Reports Announcements 12, 1981
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