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 correlation chart for U/Th identified as reliable indices of depositional conditions. The chart is modified from Jones and Manning [<a href="/journals/geofluids/2019/9524507/#B35">35</a>]. See Figure <a href="../fig1/">1</a> for the well location.</div>

Geofluids

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Figure 3

Figure 3: 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 3 | 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 