 | | Book (edition) | | — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■ : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils America’s Mountain: Pikes Peak and the Pikes...Nature As Sculptor: A Geologic Interpretation of Colorado Scenery Guide to Geologic Literature Popular Gemology...Gemology Mineral Collectors Handbook Colorado Gem Trails The Art of Gem Cutting (With Dr. H. C. Dake)...Dake) * RICHARD M. PEARL ★ COLORADO GEM TRAILS AND MINERAL GUIDE ★ SKETCH MAPS BY MIGNON WARDELL PEARL |  | | Book (edition) | | MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¥em and mineral collecting tour 01 Colorado, revealing the interesting places where Nature... ( Alan Swallow, Publisher) 2679 South York Street Denver, Colorado 80210 - , =· - ·, BOOKS BY RICHARD...M. PEARL Exploring Rocks, Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak...Atlas of Colorado American Gem Trails Nature As Sculptor: A Geologic Interpretation of Colorado . Scenery |  | | Book (volume) | | ...........................................59 Colorado ...........................................................................................427 South Carolina ....................................................................................430 South Dakota ..........................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ............................... |  | Stark, J. T., Johnson, J. H., Behre, C. H. Jr., Powers, W. E., Howland, A. L., Gould, Don B. (1949, January) Geology and Origin of South Park, Colorado. GSA Memoir 33. Geological Society of America doi:10.1130/mem33 | Report (issue) | | America Memoir 33 GEOLOGY AND ORIGIN OF SOUTH PARK, COLORADO BY J. T . STARK, J. H. JOHNSON, C. H. BEHRE............... .. . Physiographic features of the Park proper .................. . . .... ... . .. .. ............ ..... . Secondary features within the Park ...... ........ . ..... .... . ...................... . . .. . ... .. ...... . ..... . . . ... . Antero forn1ation . . . . . . . . . . . . . . . . . .... . .................... . Earlier studies in South Park. .. . . . . . . . . . . . . . . . . . . . . |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...Branch of Distribution, U.S. Geological Survey, 1200 South Eads Street, Arlington, VA 22202 CONTENTS Page...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of |  | | Book (volume) | | ...........................................47 Colorado ...........................................................................................366 South Carolina ....................................................................................368 South Dakota ............................................459 Appendix C - The Various Names & Forms of Agate.....................................467 Appendix...rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good |  | | Book (volume) | | ...........................................47 Colorado ...........................................................................................366 South Carolina ....................................................................................368 South Dakota ............................................461 Appendix C - The Various Names & Forms of Agate.....................................469 Appendix...rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good |  | | Book | | famous was the single beryl stone found in Oxford County in Maine that weighed 18 tons and was 18 feet in...other hand, inclusions in agate give the characteristic effect that makes moss agate so valuable. An example...example is the moss agate of eastern Montana which sometimes produces scenes of unbeliev¬ able verisimilitude...see through. Quartz, sapphire, fine emerald, some agate, some obsidian, topaz and diamonds are glassy or...Sapphires and rubies are found in North Carolina, Colorado, Idaho, Indiana, Cal¬ ifornia and Montana, but |  | | Book (edition) | | plutonic suite granite OADSIDE “%_ JrEoLocy of COLORADO SECOND EDITION Halka Chronic and Felicie Williams...ion Data Chronic, Halka. Roadside geology of Colorado.—2nd ed. /Halka Chronic and Felicie Williams....0-87842-447-4 (pbk. : alk. paper) 1. Geology—Colorado. 2. Roads—Colorado. I. Williams, Felicie, 1953- II. Title...NEW os °° of and Roads Geology Roadside of Colorado. sections =: S S Can Black Durango NP Verde...History—The Underlying Theme Comingto Terms 4 4 Colorado through the Ages 9 The Final Touch = 17 Gold |  | | Book (edition) | | —Roadside Geology Series $14.00 RCMDSIDE EOLOGY of COLORADO Halka Chronic MAP SYMBOLS SEDIMENTARY ROCKS...Formations Undivided Tertiary E3 z Cfl Browns Park Formation Third phase volcanics Triassic-Jurassic...gneiss Q. Gneiss & schist roadside geology of Colorado Halka Chronic MOUNTAIN PRESS PUBLISHING CO. Missoula...Roadside Geology of Colorado Bibliography: p. 1. Geology—Colorado—Guide-books. Colorado. I. Title. QE91.C49...and the rugged volcanic regions of southwestern Colorado are geologi¬ cally and scenically different from |  | | Report (volume) | | Bull. 1060-D, p. 193, 252-253, pl. 7. In Nemaha County, Kans., member is basal unit of Howard limestone...Aarde farm, sec. 4, T. 26 S., R. 11 E., Greenwood County. Aaron Slatet Precambrian or Paleozoic: Central...Central Railroad, sees. 5-7, T. 11 S., R. 5 E., Pope County. Named for Abbott Station. Abbyville Gabbrol Precambrian...map. Occurs in vicinity of Abbyville, Mecklenburg County. Abercrombie Formationl Middle Cambrian: Western...Underlies and named for Abercrombie Peak, on ridge south of Dry Canyon, in Gold Hill district. Aberdeen Sandstone |
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