Metasedimentary rocks - Libby Creek Group

In Medicine Bow Mountains and Sierra Madre. Libby Creek Group 3--Pelitic schist, amphibole schist, quartzite, diamictite, quartz-pebble conglomerate, and marble.
State Wyoming
Name Metasedimentary rocks - Libby Creek Group
Geologic age Early Proterozoic
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > Quartzite
Metamorphic > Schist > Pelitic-schist
Metamorphic > Schist > Amphibole-schist
Minor
Metamorphic > Metasedimentary > Metacarbonate > Marble
Sedimentary > Clastic > Mixed-clasticdiamictite
Sedimentary > Clastic > Conglomerate
References
NGMDB product
Counties Albany - Carbon