Geofluids / 2017 / Article / Tab 3

Research Article

The Early Cambrian Mianyang-Changning Intracratonic Sag and Its Control on Petroleum Accumulation in the Sichuan Basin, China

Table 3

Differential diagenesis of Early Cambrian Longwangmiao Formation across the intracratonic sag.

WellJS-1GS-17MX-12

LocationWestern margin of sagCenter of sagEastern margin
LithologyCrystalline dolomiteDolomitic grainstone, crystalline dolomiteDolomitic grainstone
Mudstone recrystallizationNoWeakWeak
DolomitizationStrongStrongStrong
CementationWeakModerateStrong
Freshwater karstificationWeakModerateStrong
Compaction, pressure solutionModerateModerateModerate
RecrystallizationStrongStrongStrong
Epigenic karstificationWeakModerate to strongModerate
Hydrothermal dolomiteModerateStrongModerate
First charging of hydrocarbon and bitumenNoModerateStrong
Second charging of hydrocarbonsNoModerateStrong

(For locations, see Figure 1.)

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.