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| ==Average TOCs== | | ==Average TOCs== |
− | The table below (from <ref name=ch06r3 />) shows average TOC values for different sedimentary rock types. | + | The table below<ref name=ch06r3 /> shows average TOC values for different sedimentary rock types. |
| | | |
| {| class = "wikitable" | | {| class = "wikitable" |
| |- | | |- |
− | ! Rock type | + | ! Rock type || TOC value, % |
− | ! TOC value, %
| |
| |- | | |- |
− | | Average for all shales | + | | Average for all shales || 0.8 |
− | | 0.8 | |
| |- | | |- |
− | | Average for shale source rocks | + | | Average for shale source rocks || 2.2 |
− | | 2.2 | |
| |- | | |- |
− | | Average for calcareous shale source rocks | + | | Average for calcareous shale source rocks || 1.8 |
− | | 1.8 | |
| |- | | |- |
− | | Average for carbonate source rocks | + | | Average for carbonate source rocks || 0.7 |
− | | 0.7 | |
| |- | | |- |
− | | Average for all source rocks | + | | Average for all source rocks || 1.8 |
− | | 1.8 | |
| |} | | |} |
| | | |