Author Description

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1917 Excerpt:...with layers of shale and lenses of impure limestone, fossiliferous, but no collections made 172 0 Sandstone, massive, gray, with lenses of impure limestone near the top; contain-ing (U. S. Geol. Survey fossil locality 7188) Ostrea sp., Inoceramus sp. (very thick shelled form), Cucullaea sp., Car-dium sp.. Tellina sp., Liopistha undata Meek and Hayden, Mactra sp. related to M.formosa Meek and Hayden, Mactra sp. large form, Volutomorpha novimexi-cana Herrick and Johnson, Baculites sp., Placenticeras planum Hyatt, Lamna sp.. 110 0 Shale, carbonaceous, chocolate-colored 27 0 Mancos shale (?): Sandstone, yellow, and shale in alternating layers 297-850 0 Sandstone, massive, yellow (Punta de la Mesa member), containing (U. S. Geol. Survey fossil localities 3514 and 3519) Inoceramus deformis Meek?, Inoceramut erectus Meek?, Ai'icula sp., Mactra sp., Cardiumsp., Anisomyonf sp., Oyprimeriaf sp 77 0 Shale, sandy at top 240± Limestone, shaly. containing (U. S. Geol. Survey fossil locality 3515) Exoayra columbella Meek, Pecten sp., Pinna petrina White, Isocardia sp., Liopistha (Psilomya) sp., Anchura sp 10± Shale 50 0 Shale with limestone concretions (cephalo-pod zone) containing (U. S. Geot. Survey fossil locality 3520) Pinna petrina White?, Pecten sp., Trigonarca sp.. Isocardia sp., Veniella? sp.. Cardium sp., Turritellasp., Rostellites sp.. undetermined gastropods, Mctoicoceras gp. related to M. swallow (Shumard), Metoicoceras sp 10± Mancos shale (?)--Continued. Ft. in. Shale. In the lower part (U. S. Geol. Sur-vey fossil locality 7191) were found Ostrea sp., Avicubi gastrodes Meek, Pinna petrina White, Veniella sp., Pholadomya sp., Turritella sp. related to T. irhitei Stanton, Metoicoceras ap 600± Sandstone, shaly, with impure limestone in lenses...