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Abstract
The petrographic factors that most affect J sandstone porosity variability at a given level of thermal maturity are carbonate cementation and clay content. Carbonate cement, where present, reduces porosity. If previously more widespread, carbonate cement could also introduce porosity heterogeneity by temporarily preserving the pore network relative to uncemented intervals. Abundant detrital and authigenic clay reduces porosity by occupying pores. Low clay content indirectly reduces porosity because the inhibiting effects of clay upon quartz cementation and pressure solution are largely absent. -from Authors
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Porosity trends of the Lower Cretaceous J Sandstone, Denver Basin, Colorado |
| Series title | Journal of Sedimentary Petrology |
| Volume | 61 |
| Issue | 6 |
| Year Published | 1991 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Sedimentary Petrology |
| First page | 909 |
| Last page | 920 |
| Google Analytic Metrics | Metrics page |