Sedimentology of mud - Canadian Society of Petroleum Geologists
Sedimentology of mud - Canadian Society of Petroleum Geologists
Sedimentology of mud - Canadian Society of Petroleum Geologists
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Real World Observations: sub-log scales<br />
(i) Fine-grained!<br />
(ii) No obvious evidence <strong>of</strong> any<br />
physical sedimentary<br />
structures e.g. ripples,<br />
erosion surfaces, rip-up<br />
clasts.<br />
(iii) “Varved deposit”<br />
composed <strong>of</strong> thin<br />
intercalations <strong>of</strong> clay<br />
mineral and organic<br />
carbon-rich material and<br />
silt-rich material.<br />
(iv) Fine grained populations <strong>of</strong><br />
pyrite framboids.<br />
(v) Many anoxic proxies (trace<br />
elements, stable isotopes<br />
and biomarkers).<br />
Jet Rock, deposited during<br />
Toarcian OAE, up to 14% TOC
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