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lacustrine

1. adj. [Geology]

Pertaining to an environment of deposition in lakes, or an area having lakes. Because deposition of sediment in lakes can occur slowly and in relatively calm conditions, organic-rich source rocks can form in lacustrine environments.

See: depositional environmentdepositional systemsedimentsource rock

Schematic diagram of depositional environments
Schematic diagram of depositional environments.

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