通过对川西拗陷须家河组储层的岩石学、矿物学、物性等特征研究，明确了砂岩成岩作用特征及其对储层质量演化的影响。
The diagenetic characteristics and the impact of diagenesis on reservoir quality in the Xujiahe sandstones of West Sichuan are described based on petrologic, mineralogy, and petrophysical analysis.
在分析岩组特征和植物所指示的气候基础上，推测早-中侏罗世气候的变化趋势是，由炎热潮湿逐渐变为炎热干旱。
Analyzing of lithological characteristic and fossil plants indicates that the Early-Middle Jurrassic palaeoclimate changed gradually from the hot humid to arid.
岩石化学、球化学特征表明，该组火山岩属碱性玄武岩系列大西洋型(质类型)具洋岛特征。
It belong series of the alkaline basalt, and have character of island ocean in geochemistry and petrochemistry.
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