Geology and Mineral Resources of the Laramie Basin, Wyoming Volume 361-370

 
9781232295013: Geology and Mineral Resources of the Laramie Basin, Wyoming Volume 361-370
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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. 1909 Excerpt: ...to the plant horizon at Harpers station. Two of the species Brachyphyllum n. sp. and Sequoia reichenbachi) are found at Harpers station and two others of the named species Trapa (?) micro, phylla and Diospyrus (?) ficoidea) are found at Black Buttes and Point of Rocks. The latter species are also found in the Fort Union beds, but in the lower horizon. The other named species Asimina eocenica), depending on a single example, has been found in the Denver beds at Golden, Colo., and at Carbon, Wyo. The unnamed species, as far as they have affinities, appear to approach more closely to those of the so-called true Laramie. The associated strata are not exposed in the immediate neighborhood, but about 3 miles to the southwest, near the old stage road crossing Cooper Creek, beds that are certainly higher in position are very fossiliferous, yielding a characteristic Fox Hills fauna, as follows: Micrabacia americana M. and H. Ostrea sp. Anomia sp. Inoceramus cripsii var. barabini Morton. Inoceramus sagensis var. nebrascensis Owen. Avicula linguseformis E. and S. Avicula nebrascana E. and S. Gerviilia sp. Modiola galpiniana (E. and S.). Pectunctulus wyomingensis (Meek). Protocardia subquadrata (E. and S.). Syncyclonema rigida (H. and M.). Lucina subundata H. and M. Crassatellina sp. Tancredia americana M. and H Callista (Dosiniopsis) nebrascensis M. and H. Tellina scitula M. and H. Goniomya americana M. and H. Corbulamella gregaria M. and H. Martesia sp. Lunatia concinna (H. and M.). Capulus sp. Nautilus dekayi Morton. Baculites ovatus Say. Scaphites nodosus (Owen). The third of the plant localities above referred to is 6 or 7 miles northeast of the coal opening last mentioned. It is at a coal mine now known as the "Dutton Creek" mine, although it is not on ...

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