20387. Sosman, R. B.   Types of Prismatic Structure in Igneous Rocks.   University of Chicago Press, 1916, Journal of Geology, 24 : 215-234, 5 figures and 3 tables.   Printed wraps, minor previous owner mark on front wrap, minor signs of use and age discoloration, very good condition.    $8.00

27273. Buddington, A. F.   An Association of Kaolinite with Miarolitic Structure.   University of Chicago Press, 1923, Journal of Geology, 31 (2) : 149-151.   Printed wraps, previous owner marks on front wrap including compliments of the author, minor signs of use and age, text in very good condition.    $3.00

20440. Buddington, A. F.   Alaska Nickel Minerals.   Lancaster Press, 1924, Economic Geology, 19 (6) : 521-541, 4 tables and 1 plate.   Printed wraps, previous owner marks on front wrap, usual signs of use and age discoloration, very good condition.    $8.00

33857. Cross, W. and Shannon, E. V.   The Geology, Petrography, and Mineralogy of the Vicinity of Italian Mountain Gunnison County, Colorado.   Smithsonian Institution, United States National Museum, 1927, Proceedings of the United States National Museum, 71 (18) : 1-42, 2 plates.   Printed wraps, minor signs of use and age, very good condition.    $34.00

106695. Buddington, A. F.   Coincident Variations of Types of Mineralization and of Coast Range Intrusives.   Lancaster Press, 1927, Economic Geology, Number 22 (2) : pages 158-179 with 2 tables.   Softbound, previous owners name, minor signs of use, very good condition.    $8.00

93116. Holmes, A.   The Nomenclature of Petrology with References to Selected Literature.   Thomas Murby & Co., London, 1928, , 284 pages.   Hardbound, previous owners name, minor signs of use and age, text in good plus or better condition.   Second Edition, Second Printing.   $15.00

77294. Tyrrell, G. W.   The Principles of Petrology: An Introduction to the Science of Rocks.   E. P. Dutton & Co, 1929, , 349 pages with 78 diagrams.   Hardbound, spine ends worn, previous owners name, minor signs of use and age, text in very good condition.   Second Edition.   $19.00

20317. Fowler, K. S.   The Anorthosite Area of the Laramie Mountains, Wyoming Part I : Geomorphologic History and Part II : Petrographic and Structural Discussion.   Yale University, 1930, American Journal of Science, 19 (112) : 305-315 and 373-403 with figures and plates including 2 fold out maps.   Printed wraps chipped and detached but present, signed by the author, usual signs of use and age discoloration, text in very good condition.   Reprinted for Columbia University.   $16.00

54858. Miller, W. J.   Anorthosite in Los Angeles County, California.   University of Chicago Press, 1931, Journal of Geology, 39 (4) : pages 331-344 with 1 figure.   Printed wraps, xlib with usual signs, text in very good condition.    $3.50

133862. Winchell, A. N. and Winchell, H.   Elements of Optical Mineralogy: An Introduction to Microscopic Petrography. Part II, Descriptions of Minerals. Third Edition.   John Wiley & Sons, Inc., New York, 1932, Part 2, 459 pages with illustrations.   Hardbound, good condition.   fourth edition.   $21.00

74005. Grout, F. F.   Petrography and Petrology : A Textbook.   McGraw-Hill Book Company, 1932, , 522 pages with illustrations.   Hardbound with usual wear, front hinge weak and text becoming detached, previous owners name, other minor signs of use, text in good or better condition.    $11.00

128069. Grout, F. F.   Petrography and Petrology : A Textbook.   McGraw-Hill Book Company, 1932, , 522 pages with illustrations.   Hardbound, spine weak, good condition.    $10.00

77172. Chudoba, K.   The Determination of the Feldspars in Thin Section.   Thomas Murby & Co, London, 1933, , 62 pages with 50 figures.   Hardbound cover shows wear, hinges reinforced with book tape, previous owners name, text in very good condition.   in English.   $56.00

20468. Colony, R. J. and Howard, A. D.   Observations on Spherulites.   Mineralogical Society of America, 1934, The American Mineralogist, 19 (11) : 515-524, 4 figures.   Printed wraps, usual signs of use and age discoloration, very good condition.    $3.50

20390. Shand, S. J.   Loch Borolan Laccolith, North-West Scotland.   University of Chicago Press, 1939, Journal of Geology, 47 (4) : 408-420, 2 figures and 1 table.   Printed wraps, signed by the author, minor signs of use and age discoloration, very good condition.    $5.00

20438. Faessler, C. and Schwartz, G. M.   Titaniferous Magnetite Deposits of Sept-Iles, Quebec.   Lancaster Press, 1941, Economic Geology, 36 : 712-728, 13 figures.   Printed wraps, previous owner marks on front wrap, minor signs of use and age discoloration, very good condition.   University Laval, Quebec (Canada) Geologie et Mineralogi Contribution No. 40.   $6.00

37075. Myers, E. H.   Rate at Which Foraminifera are Contributed to Marine Sediments.   Society of Economic Mineralogy and Paleontology, 1942, Journal of Sedimentary Petrology, 12 (2) : 92-95, 1 figure.   Reprint, stapled text, previous owners marks on front page, other minor signs of use, very good condition.    $1.00

111204. Larsen, E. S.   Alkalic Rocks of Iron Hill Gunnison County, Colorado.   United States Geological Survey, 1942, Geological Survey Professional Paper, PP 197-A : 64 pages with 3 plates and 9 figures.   Softbound, xlib, tape repair to wraps, text and plates in good or better condition.   Original publication, not a modern reprint.   $10.00

16106. Macdonald, G. A. and Powers, H. A.   Contribution to the Petrography of Haleakala Volcano, Hawaii.   Geological Society of America, 1946, Bulletin, 57 (1) : 115-124, 2 figures.   Text, minor signs of age, uncut text in very good condition.    $5.00

77300. Gilluly, J.   Origin of Granite (Conference at Meeting of The Geological Society of America Held in Ottawa, Canada, December 30, 1947).   The Geological Society of America, 1948, GSA, Memoir, Number 28 : 139 pages with illustrations.   Hardbound, signed by A. F. Buddington and B. F. Lenard, minor signs of use, very good condition.    $19.00

86762. Rittenhouse, G.   Analytical Methods as Applied in Petrographic Investigations of Appalachian Basin.   United State Geological Survey, 1948, U. S. Geological Survey Circular, C22.   Softbound, very good condition.    $8.00

104916. Gilluly, J. et al.   Origin of Granite (Conference at Meeting of the Geological Society of America held in Ottawa, Canada, December 30, 1947).   The Geological Society of American, New York, 1948, Geological Society of America, Memoir, Number 28 : 139 pages with illustrations.   Hardbound,very good condition.   reprint edition.   $14.00

20319. Chayes, F.   A Petrographic Criterion for the Possible Replacement Origin of Rocks.   Yale University, 1948, American Journal of Science, 246 : 413-425, 1 figure and 6 tables.   Printed wraps, minor previous owner mark on front wrap, minor signs of use and age discoloration, very good condition.   Paper from the Geophysical Laboratory Carnegie Institution of Washington No. 1103.   $3.25

77169. Wahlstrom, E. E.   Introduction to Theoretical Igneous Petrology. A synthesis of the existing theories about the origin of igneous rocks - embodying the modern physico-chemical viewpoint throughout.   John Wiley & Sons, 1950, , 365 pages with illustrations.   Hardbound with good dust jacket, previous owners name, text in very good condition.    $52.00

20320. Chayes, F.   On a Distinction Between Late-Magmatic and Post-Magmatic Replacement Reactions.   Yale University, 1950, American Journal of Science, 248 : 22-36, 1 figure and 2 tables.   Printed wraps, minor signs of use and age discoloration, very good condition.   Paper from the Geophysical Laboratory Carnegie Institution of Washington No. 1121.   $3.75

22774. Ramber, H. and DeVore, G.   The Distribution of Fe++ and Mg++ in Coexisting Olivines and Pyroxenes.   Yale University, 1951, Journal of Geology, 59 (3) : 193-210.   Reprint, usual signs of use and age discoloration, very good condition.    $4.50

128081. Winchell, A. N. and Winchell, H.   Elements of Optical Mineralogy: An Introduction to Microscopic Petrography. Part II, Descriptions of Minerals. Fourth Edition.   John Wiley & Sons, Inc., New York, 1951, Part 2, 551 pages with illustrations.   Hardbound, previous owners name, usual signs of use, text in very good condition.   fourth edition.   $30.00

73217. Winchell, A. N. and Winchell, H.   Elements of Optical Mineralogy: An Introduction to Microscopic Petrography. Part II, Descriptions of Minerals.   John Wiley & Sons, Inc., New York, 1951, Part 2, 427 pages with illustrations.   Hardbound, previous owners name, usual signs of use, text in very good condition.   fourth edition.   $22.00

75320. Turner, F. J. and Verhoogen, J.   Igneous and Metamorphic Petrology.   McGraw-Hill Book Company, Inc, 1951, , 602 pages with 92 figures.   Hardbound, previous owners name, usual signs of use, text in very good condition.   First Edition.   $32.00

20526. Gutenber, B.   Internal Constitution of the Earth.   Dover Publications, 1951, Textbook, 439 pages, with multiple illustrations.   Printed wraps, minor previous ownership mark, minor signs of use and age discoloration, very good condition.   2nd edition.   $11.00

74109. Barth, T. F.   Theoretical Petrology. A Textbook on the Origin and the evolution of Rocks.   John Wiley & Sons, Inc., New York, 1952, , 387 pages with illustrations.   Hardbound, usual cover wear, previous owners name, other minor signs of use and age, text in very good condition.    $19.00

20321. Osborn, E. F. and Tait, D. B.   The System Diopside - Forsterite - Anorthite.   Yale University, 1952, American Journal of Science, Bowen Volume : 413-433, 7 figures and 2 tables.   Printed wraps, minor previous owner marks, other minor signs of use and age discoloration, very good condition.   Paper from the Geophysical Laboratory Carnegie Institution of Washington No. 1190.   $4.00

20330. Wilson, A. F.   Metamorphism of Granite Rocks by Olivine Dolerite in Central Australia.   Stephen Austin & Sons, 1952, Geological Magazine, 89 : 73-86, 1 figure and 2 tables.   Printed wraps, previous owner mark on front wrap, minor signs of use and age discoloration, very good condition.    $3.50

99680. Vincent, E. A.   Hornblende-Lamprophyre Dykes of Basaltic Parentage from the Skaergaard Area, East Greenland.   The Geological Society of London, 1953, Quarterly Journal of the Geological Society of London, Volume 109, Part 1 : pages 21-50 with 3 figures, 4 tables and 1 plate.   Softbound, very good condition.    $11.00

22684. Fleischer, M.   The Abundance and Distribution of the Chemical Elements in the Earth's Crust.   Journal of Chemical Education, 1954, Journal of Chemical Education, 31 : 446-455.   Printed wraps, minor signs of use and age discoloration, very good condition.    $3.50

94830. Swinford, A.   Petrography of Upper Permian Rocks in South-Central Kansas.   State Geological Survey of Kansas, 1955, University of Kansas Publications, Bulletin 111 : 179 pages with illustrations.   Softbound, xlib, good plus or better condition.   Original publication, not a modern copy.   $11.00

20402. Davidson, C. F.   On the Occurrence of Uranium in Ancient Conglomerates.   Lancaster Press, 1957, Economic Geology, 52 (6) : 668-693, 2 tables.   Printed wraps, minor previous owner mark on front wrap, minor signs of use and age discoloration, very good condition.    $10.00

89089. Wilkinson, J. F.   The Petrology of a Differentiated Teschenite Sill Near Gunnedah, New South Wales.   Yale University Press, 1958, American Journal of Science, Volume 256 : pages 1-39 with 6 figures and 8 tables.   Stapled text, previous owners name, good plus condition.    $8.00

50376. Geological Society of America.   Sr/Rb Age Measurements of Hornblende and Feldspar, and the Age of Syenite at Chicoutimi, Quebec, Canada.   Geological Society of America, 1958, Bulletin of the Geological Society of America, 69 (5) : pages 599-602 with 2 tables.   Text extracted from a larger volume, a little rough along the spine, otherwise very good condition.   World-class professional geoscience journal.   $1.00

22691. Wager, L. R.   Beneath the Earth's Crust.   British Association, 1958, The Advancement of Science, 58 : 1-15.   Preprinted, usual signs of use and age discoloration, very good condition.    $3.75

22695. Ringwood, A. E.   The Constitution of the Mantle - III Consequences of the Olivine-Spine Transition.   Pergamon Press, 1958, Geochimica Et Cosmochimica Acta, 15 : 195-212.   Reprint, usual signs of use and age discoloration, very good condition.    $4.50

22697. Ringwood, A. E.   The Constitution of the Mantle - II Further Data on the Olivine-Spine Transition.   Pergamon Press, 1958, Geochimica Et Cosmochimica Acta, 15 : 18-29.   Reprint, usual signs of use and age discoloration, very good condition.    $3.00

22775. Ringwood, A. E.   Olivine-Spinel Transition in Fayalite.   Geological Society of America, 1958, Bulletin, 69 : 129-130.   Off-print, usual signs of use and age discoloration, very good condition.    $1.00

20329. White, A. J.   Scapolite-Bearing Marbles and Calc-Silicate Rocks from Tungkillo and Milendella, South Australia.   Stephen Austin & Sons, 1959, Geological Magazine, 96 (4) : 285-306, 6 figures, 3 tables, and 1 plate.   Printed wraps, minor previous owner mark on front wrap, minor signs of use and age discoloration, very good condition.    $4.00

22776. Ringwood, A. E.   The Olivine-Spinel Inversion in Fayalite.   American Mineralogist, 1959, American Mineralogist, 44 : 659-661.   Off-print, usual signs of use and age discoloration, very good condition.    $1.00

20503. Barth, T. F.   Theoretical Petrology A Textbook on the Origin and Evolution of Rocks.   John Wiley & Sons, 1959, Textbook, 387 pages, with multiple illustrations.   Cloth bound, minor previous ownership marks on cover pages, minor shelf wear at top and bottom of spine, minor signs of use and age discoloration, very good condition.   Second printing.   $13.00

30231. Richards, A. F. and Brattstrom, B. H.   Bibliography, Cartography, Discovery, and Exploration of the Isla Revillagigedo.   California Academy of Sciences, 1959, Proceedings of the California Academy of Sciences, 29 (9) : 315-360, 4 figures.   Stapled text, previous owner signature on front page, other minor signs of use and age, very good condition.    $9.00

20322. Osborn, E. F.   Role of Oxygen Pressure in the Crystallization and Differentiation of Basaltic Magma.   Yale University, 1959, American Journal of Science, 257 : 609-647, 14 figures.   Printed wraps, previous owner marks, other minor signs of use and age discoloration, good plus or better condition.   Contributions No. 58-78 from the College of Mineral Industries, The Pennsylvania State University.   $7.00

99444. Folk, R. L.   Petrology of Sedimentary Rocks: The University of Texas Geology 370K, 383L, 383M.   Hempill's, Austin, TX, 1959, , 154 pages with illustrations.   Softbound, tape repair to spine, good condition.    $15.00

76742. Turner, F. J. and Verhoogen, J.   Igneous and Metamorphic Petrology.   McGraw-Hill Book Company, 1960, International Series in the Earth Sciences, 694 pages with illustrations.   Hardbound, minor cover wear, other minor signs of use and age, previous owner name, text in very good condition.   second edition.   $26.00