 | | Journal (article/letter/editorial) | | anotlrer by the northeust-southwest-treiiiliii~ Mullen Creek-Nash Fork Shc;ir Zoiic. The older northernmost province...Ihe Pikn P c i l Balhdilh dates for rocks in this area rnngc from I .7 to I .8 billion years. The zone...northeasterly-trending continentul Figure 2. Geologic map of the Colorado Front Range showing the Precambrian metamorphic...Karistrom 1978; Lanthier 1978). Farther south in Colorado, sediments accumulated in decper-water rocks formed...Survey into “Early, Middle, and Late” Eras. In Colorado we because of the subsequent folding and overthrusting |  | | Book | | scepter heads growing upon milky quartz stems. Denny Mountain area of King County. Specimen from the collection...others. I express thanks to the assemblage of Seattle area mineral col lectors, who made suggestions and offered...DESCRIPTIONS 21 ABBREVIATIONS 24 GLOSSARY 25 COUNTY INDEX OF MINERAL OCCURRENCES 29 MINERAL DESCRIPTIONS...tal). Colorless or white, six sided crystals of quartz are a familiar and obvious example of a mineral...(using a code explained on page 21) and a county by county list mentioning the nature of their occurrence |  | | Report (issue) | | . . . . . . . . . . . . . . . . • .. 37 Goose Creek area . . . . _ __ . . . _ .. . _ __ . _ . _ . .... . . . . . . . . . . . . . 38 Hazelton Peak area . .. ...... .. ... .. , . . . . . . . . . . . . ...descriptions . . . . .. . . . . . . . . . . . . Kelly Creek area . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . • . . Walker Mountain area . . .. .. . Mines and occurrences. . . . . MisceUaneous.... Black Buttes (Hurricane district) mineralized area . . . . . . . . . . . . . .. 48 Cam bria coal |  | | Journal (issue) | | rrang ]i» |bist + | w ' ginal aN4 BOOK REVIEWS COLORADO GEM TRAILS A ND MINI ( , ; GUIDI R rd M ( , k...Mineral Clu tstanding talk on “Collecting in t L This area will be t | Rang Marquette I t 9¢ tf the Midwest...successful field trip to the Springerville St. John’s area over the Fourth of July week end. No digging was...the many colored seam agate which abounds in the area. Ancient Indians had once camped where they camped...Cutters Guild of Baltimore reports that the Goose Creek area near Oatlands, Virginia will soon be covered |  | | Report (volume) | | Martha S. Toulmin, and Druid Wilson. The geographic area covered includes the United States, its possessions...administered by the United States. This geographic area is much smaller than that for the Wiln1arth Lexicon...3 and Central America. This smaller ge_ographic area was selected primarily because the International...Genevieve Limestone in Blue River Group" in another area. Finally, the name in boldface indicates that the...Underlies Church limestone member; overlies Bachelor Creek limestone member. M. R. Mudge, C. P. Walters, and |  | | Report (issue) | | and adjoining areas, Gilpin and Clear Creek Counties, ·Colorado, by Paul K. Sims and Edwin W. Tooker_...deposits in Golden Gate Canyon, Jefferson County, Colorado, by John W. Adams and Frederick Stugard, J...to pitchblende-bearing veins at Marysvale, Piute County, Utah, by George W. Walker and Frank W. Osterwald...of the Los Ochos uranium deposit, Saguache County, Colorado, by R. C. Derzay _·- _______ ____ __ __ _------------...ROCKS Uranium-vanadium-copper deposits on the Colorado Plateau, by Richard P. Fischer _______ ____ __ |  | | Report (volume) | | Atlantic Coastal Plain, the Appalachians, the Colorado Plateau, and the Williston basin. Examples of...___ ____ Geologic formations__________ Subject, area, or individual. Individual names. Listed by name...information indexed. Area listing of all formation tables and sections. Area. Area; some sketch maps included...___________ Systems__________________ Subject or area. Area; also includes articles discussing origin of...of minerals or ores. Mineral name listing. Area; includes more than one mineral; not indexed to individual |  | | Report (issue) | | the Lower Salmon River and Northern Hells Canyon Area, Idaho, Oregon, and Washington, by S. P. Reidel... . 213 Cenozoic Stratigraphy of Western Owyhee County, Idaho, by E. B. Ekren, D. H. McIntyre, E. H. Bennett...Tuff Volcanic Rocks Near the Idaho-Nevada Owyhee County, Idaho, by John Bernt and Bill Bonnichsen Chapter... 333 Late Cenozoic Volcanism of the Island Park Area, Eastern Idaho, by R. L. Christiansen . . . . .... . . . . . . 345 Geology of the Magic Reservoir Area, Snake River Plain, Idaho, by W. P. Leeman . . |  | | Book | | Minerals; Beryl 8. Vein and Replacement Minerals Quartz Crystal; Fluorspar; Barite; Magnesite Vv 1341714...such as John W. Vanderwilt’s Mineral Resources of Colorado (1947) and Bulletin 176 of the California Division...minerals; “Vein and Replacement Minerals” such as quartz, fluorspar, barite, and magnesite; “Sedimentary...produced. The artificial synthesis of radio-grade quartz crystals and industrial diamonds is an accomplished...the fact that little gravel is shipped from county to county, still less from state to state, and none | | | Book | | Minerals; Beryl 8. Vein and Replacement Minerals Quartz Crystal; 229 Fluorspar; Barite; Magnesite ...as John W. Vanderwilt’s Mineral Resources of Colorado (1947) and Bulletin 176 of the California Division...minerals; “Vein and Replacement Minerals” such as quartz, fluorspar, barite, and magnesite; “Sedimentary...produced. The artificial synthesis of radio-grade quartz crystals and in- dustrial diamonds is an accomplished...shipped from county to would do as well), it rapidly decreases to place value is shown county, still less |
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