水主要来源于古海水和大气降水，有机质来源于沉积岩中生物质；

The water mostly comes from ancient sea and atmosphere while organic material from ancient life-form.

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沉积物来源分析是盆地分析的重要内容之一。

Analysis of sediment source is one of an important content of basin analysis.

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此外，对海湾沉积物来源也作了探讨。

Also was discussed the source of the sediments in the bay.

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此外，对海湾沉积物来源也作了探讨。

Also was discussed the source of the sediments in the bay.

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