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Quick-look lithology from logs (view source)
Revision as of 14:08, 16 November 2015
, 14:08, 16 November 2015no edit summary
* Very fine, clean sand above coarser sand may show a cylinder shape.
* Very fine, clean sand above coarser sand may show a cylinder shape.
* Clay clasts concentrated near the base of a channel may give a funnel shape.
* Clay clasts concentrated near the base of a channel may give a funnel shape.
* Clay added later due to bioturbation or mechanical infiltration at the top of a gravel may create a bell shape.
* Clay added later due to [[bioturbation]] or mechanical infiltration at the top of a gravel may create a bell shape.
(For more details on using log shape to interpret depositional environment, see [[Lithofacies and environmental analysis of clastic depositional systems]].)
(For more details on using log shape to interpret depositional environment, see [[Lithofacies and environmental analysis of clastic depositional systems]].)