Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Resume on the Cloverly seen at type 2nd
at Thermopolis.
Rusty beds + Greybull obviously are
Fall River equivalent. The Rusty beds
and Greybull are not separable, because
Greybull = local ledge-forming sands
in lower part, locally may be all of
Rusty zone - viz
{rusty}
{rusty}
{greybull}
Disconformity sharp at type Cloverly,
not so in Thermopolis road cut where
seems to be set up similar to
Lee's Bellevue locality with SS +
IB var clstu at base.
Type Cloverly is in claystone phase.
Darton prob. included no Greybull
or Rusty in original Cloverly but
changed it subsequently - check
this against his def. Thermopolis.
At type Cloverly little or no
Greybull except the local lens,
and fairly persistent basal SS
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