The American Journal of Science
The American Journal of Science
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In our eReader you can find the full English version of the book. Read The American Journal of Science Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The American Journal of Science
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Disregarding their actual faunal relationships and comparing them as to their tliickness, the strata of the two sections com- pare as follows, the figures of the Guadalupian rocks being approximations : In southern New Mexico we have some 4,500 feet of the Guadalupian series composed of 2,100 feet of Capitan and overlying limestones and 2,400 feet of the Delaware Mountain formation composed of limestones and sandstones overlying 5,000 feet of Hueco limestones. Beginning at the same hori- zon in... Kansas, we have the remainder of the red beds, the lighter Permian and the Pennsylvanian, aggregating about 4,500 feet of strata, composed of limestone shales and sandstone. So far as mere thickness is concerned it leaves the base of the Dela- ware Mountain formation about on the level with the base of the Cherokee shales (as exhibited in Kansas). The horizon of the base of the Delaware Mountain formation in the Kansas section interpreted upon its fauna, or actual time equivalency, Digitized by Google 138 J.
What to read after The American Journal of Science?
You can find similar books in the "Read Also" column, or choose other free books by Yale University. Dept. of Geology And Geophysics, Highwire Press to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Disregarding their actual faunal relationships and comparing them as to their tliickness, the strata of the two sections com- pare as follows, the figures of the Guadalupian rocks being approximations : In southern New Mexico we have some 4,500 feet of the Guadalupian series composed of 2,100 feet of Capitan and overlying limestones and 2,400 feet of the Delaware Mountain formation composed of limestones and sandstones overlying 5,000 feet of Hueco limestones. Beginning at the same hori- zon in... Kansas, we have the remainder of the red beds, the lighter Permian and the Pennsylvanian, aggregating about 4,500 feet of strata, composed of limestone shales and sandstone. So far as mere thickness is concerned it leaves the base of the Dela- ware Mountain formation about on the level with the base of the Cherokee shales (as exhibited in Kansas). The horizon of the base of the Delaware Mountain formation in the Kansas section interpreted upon its fauna, or actual time equivalency, Digitized by Google 138 J.
What to read after The American Journal of Science?
You can find similar books in the "Read Also" column, or choose other free books by Yale University. Dept. of Geology And Geophysics, Highwire Press to read onlineMoreLess
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