Unit symbol: | Tng |
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Age range | Tertiary, Pliocene and upper Miocene (11.62 to 3.6 Ma) |
Lithology: | Sedimentary |
Group name: | Nenana Gravel |
Source map | Csejtey, Bela, Jr., 1993, Written commun. |
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Symbol | Tn |
Unit name | Nenana Gravel |
Lithology | Sedimentary |
Label | Tn |
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Description | Nenana Gravel, Pliocene and Miocene |
Geologic age | Late-Miocene to Zanclean |
Geologic setting | Sedimentary, continental |
Lithology | Form | Importance |
---|---|---|
Conglomerate < Clastic < Sedimentary | Bed | Major |
Sandstone < Clastic < Sedimentary | Bed | Indeterminate, major |
Mudstone < Clastic < Sedimentary | Bed | Minor |
Claystone < Mudstone < Clastic < Sedimentary | Bed | Minor |
Lignite < Coal < Sedimentary | Bed | Incidental |