Three main rock types make up the geology of Singapore: igneous, sedimentary and alluvium. Where is the main source of granite found?

形成新加坡地质的三种主要岩石类型：火成岩、沉积岩和冲积岩。哪里是花岗岩的主要来源地？

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Three main rock types make up the geology of Singapore: igneous, sedimentary and alluvium. where is the main source of granite found.

形成新加坡地质的三种主要岩石类型：火成岩、沉积岩和冲积岩。哪里是花岗岩的主要来源地？

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Dark mudstone works as good source rock, with middle-good organic abundance, sapropel-humic and humic organic types as well as mature-high mature generation stage.

暗色泥岩有机质丰度中等—好，以腐泥—腐殖型和腐殖型为主，普遍进入成熟—高成熟阶段，是好的烃源岩。

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