Difference Analysis of Organic Matter Enrichment Mechanisms in Upper Ordovician-Lower Silurian Shale from the Yangtze Region of Southern China and Its Geological Significance in Shale Gas Exploration

<div>The mechanism underlying sedimentary organic matter enrichment in the upper Ordovician-lower Silurian shale from the lower Yangtze region. The active hydrothermal activity near the junction of the two plates (Yangtze Plate and Cathaysian Plate) led to high paleoproductivity and an oxygen-deficient environment [<a href="/journals/geofluids/2019/9524507/#B31">31</a>, <a href="/journals/geofluids/2019/9524507/#B44">44</a>].</div>

Geofluids

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Figure 9: Difference Analysis of Organic Matter Enrichment Mechanisms in Upper Ordovician-Lower Silurian Shale from the Yangtze Region of Southern China and Its Geological Significance in Shale Gas Exploration 

Figure 9 | Difference Analysis of Organic Matter Enrichment Mechanisms in Upper Ordovician-Lower Silurian Shale from the Yangtze Region of Southern China and Its Geological Significance in Shale Gas Exploration 