Depositional history of an Upper Carboniferous organic-rich lacustrine shale from East Greenland

S. Piasecki, F. G. Christiansen, L. Stemmerik

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21 Citationer (Scopus)

Abstrakt

The lower, shaly part represents quiet deposition of clay-sized mineral grains, calcite, fish, and ostracod remains in a deep anoxic lake. The upper, sandy-shaly part was deposited in prograding fluviatile mouth bars and in protected bays where organic debris and plant material were concentrated. The lake formed rapidly, probably due to tectonic activity, and its depositional history was simple, reflected by a single coarsening-upward sequence. The shale is at the onset of petroleum generation. The extract composition is characterized by a high content of saturated hydrocarbons in the waxy range and a characteristic odd/even predominance, and thus is similar to petroleum generated from other lacustrine source rocks. -from Authors

OriginalsprogEngelsk
Sider (fra-til)273-287
Antal sider15
TidsskriftBulletin of Canadian Petroleum Geology
Vol/bind38
Udgave nummer3
StatusUdgivet - 1990

Programområde

  • Programområde 3: Energiressourcer

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