30 résultats
4to, 29.7cm. Pp. 160, numerous figs. on 4 pls. Orig. cloth. Fine. - With a new introduction by Dr. Jan Hofker. Only a few copies still available forming end of publishers' stock
4to. Pp. viii,172,[6], many photos and drawings on 48 pls., 8 figs., 14 tabs., short bibl., index. Orig. stiff wrs. Covers a bit thumbed, contents clean and good.
4to. Pp. [2],viii,9-42,[22], many figs. on 11 fine lithogr. pls. Old half cloth.
Book is in excellent condition. Binding is solid and square, covers have sharp corners, exterior shows no blemishes, text/interior is clean and free of marking of any kind. Contents include: Intro, Geologic formations: Pre-Jurassic rock, Formations of the central metamorphic belt, Klamath Mountains, Formations of teh western paleozoic and triassic belt, Klamath Mountains, Formations of Jurassic and cretaceous ages: South fork belt of Diller, Hershey, Kerr Ranch, Knoxville formation, Shasta series, Tertiary rocks: Stata of Eocene age, Covelo area, Shasta Valley area, Strata of miocene age Point Arena area, Covelo, Garberville Petrolia, areas Wimer formation of Maxon, etc. Pages 64 through 78 have summaries of mineral commodities with maps for gold, platinum, chromite, copper, silver, quicksilver, maganese, gas and oil, coal, nonmetallic mineral commodities, Misc, metalliferous commodities. With 3' x 3' fold out map in full color in excellent condtion in pocket at back of book.
90 pages including appendices. Table of Contents include general geology (stratified rocks, nicola group - central, eastern and western belts, Jurassic, Cretaceous, Paleocene, Eocene, Pleistocene, intrusive rocks), metamorphism and chemistry (metamorphism, metasomatism, petrochemistry), structure and stratigraphy (folds, faults, shear zones, main faults,), and mineral deposits. Usual library markings. Sound binding. A sound working copy. Book