 | | Report (issue) |
| Geology of the Aspen 15-minute Ouadrangle JL VSi^r \«/ 0EOLOOICAJ. SURVEY PROFESSIONAL P^PER Geology... Geology of the Aspen 15-minute Quadrangle, Pitkin and Gunnison Counties, Colorado By BRUCE BRYANT GEOLOGICAL...A study of an area at the intersection of the Colorado mineral belt with the west flank of the Sawatch...1930Geology of the Aspen 15-Minute quadrangle, Pitkin and Gunnison Counties, Colorado (Geological Survey... 123 1. Geology Colorado Aspen region. 2. Mines and mineral resources Colorado Aspen region. I. Title |
 | | Report (issue) |
| IN THE ASPEN DISTRICT, COLORADO By ADOLPH INTRODUCTION \ , The Aspen district of Colorado was mapped...well-known monograph.1 With the lapse of 30 years mining in the area surveyed by Spurr has come to a standstill...the United States Geological Survey to visit the district, and he did so in July, 1923. The only topographic...by the writer in the vicinity of the Little Annie mine, or Kichmond Hill. Plate 1 is a composite geologic...descriptions of the recent mining developments in the southern part of the district, the correlation of the |
 | | Journal (article/letter/editorial) |
| PALEOZOIC STRATIGRAPHY OF T H E SAWATCH RANGE, COLORADO BY J . HARLAN JOHNSON CONTENTS Abstract........4. 5. 6. 7. 8. 9. 10. 11. Page Index map of Colorado.................................................Mississippian and Devonian formations in vicinity of Aspen district.. Composite sections of Paleozoic formations... a high and rugged mountain uplift in central Colorado, separates the Ar kansas River valley from the...west. It includes some of the highest peaks in Colorado, with summit elevations around 14,400 feet. Very |
 | | Report (volume) |
| Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...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...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |
 | | Book (volume) |
| ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ..................................Co. Mining Districts ............................................................22 Arizona County Map.........................23 Arizona – Cochise Co. Mining Districts .................................... |
 | | Book (volume) |
| ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |
 | | Book (volume) |
| ...........................................47 Colorado ................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |
 | | Catalog/List |
| the western states. Colorado and Nevada were his favorites because of their mining and coin minting history...the university, Kevin delved into mineralogy and mining history, and began to update his mineral collection...country as well as exploring scores of abandoned mining towns from California to New Mexico to Montana...and in particular, the towns of the Hwy 95 mining district from Rhyolite to Goldfield and Tonopah. Kevin...silver, galena, sphalerite, and amethyst in Creede, Colorado, azurite and malachite in Jerome, Arizona, gold |
 | | Report (volume) |
| ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |
 | | Journal (article/letter/editorial) |
| of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection,...photographer unknown. B etween 1868 and 1922, Colorado produced almost 260 million pounds of copper....from the Leadville district, with another 50 million pounds mined in San Juan County (Henderson 1926).... During the twentieth century, the Gilman district surpassed Leadville in total copper production with |
 | | Journal (issue) |
| Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ..................................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John |
 | | Report (issue) |
| BULLETIN 71 Mineral Resources of Taos County, New Mexico by JOHN H. SCHILLING Description of mineral...INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING 8c TECHNOLOGY................................... 11 HISTORY OF MINING ........................................................... 35 Spanish Main prospect ["Govenor's Mine"(?)] ....................................... 36............. 36 Questa Molybdenum [Moly, R and S] mine ............................................ 38 |
 | | Report (issue) |
| (Agiapuk R.) Gold Port Clarence district Teller quad A little mining was reported, 1928-30. No data...data on location or deposit Mining could have been anywhere in basin. See also: (Allene Cr.), (American R...R.) Alaska Chief Lead Port Clarence district MF-426, loc. 5 Teller (12.9, 7.85) 65°26'N, 167°14'W...Rapid R. (Alder Cr.) Gold, Silver Port Clarence district MF-426, Iocs. 21, 81 Teller (20.8-21.2, 1.55-1...stringers and veins of quartz. Near mouth placer mining exposed a zone 16 ft wide consisting of talcose |
 | | Book |
| stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...RANSOM 1875-1948 An to the Eastern '‘Schoolmarm” Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting |
 | | Report (issue) |
| Geology of Costilla and Latir Peak Quadrangles, Taos County, New Mexico BY PHILIP F. McKINLAY Geology and ore...INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING 8c TECHNOLOGY...Peak quadrangles, is in the northern part of Taos County, New Mexico, between latitudes 36°45' and 37°00'...Sangre de Cristo Mountains immediately south of the Colorado border in New Mexico.* LOCATION AND ACCESSIBILITY...Peak quadrangles are in the northeast part of Taos County, New Mexico, between latitudes 36°45' and 37°00' |
 | | Journal (article/letter/editorial) |
| specimens, are either inaccessible or are in closed mining districts, or are closed for political reasons...City-D~Lamar Mining Dlstricts / J\. I,' -r-, - L..... ~ rl.. kl \ , 50 I 100 I Miles old mining and...scientific significance. In this index, the better known mining districts that have produced many high-quality...across, on blue thomsonite. Lucky Peak Dam, Ada County; Lanny Ream specimen and photo. Figure 3 (below)...cut near Pinehurst, Adams County; Lanny Ream specimen and photo. Ada County Lucky Peak Dam, on east side |
 | | Journal (article/letter/editorial) |
| occurrence of other peraluminous minerals including tourmaline, garnet, and rarely gahnite, topaz, or andalusite...of most occurrences (12.5 × 8 cm) from the Tanco mine, Bernic Lake, Manitoba. (c) A large crystal of muscovite...a miarolitic cavity (16 × 12 × 12 cm), Himalaya mine, Mesa Grande, California; the yellow arrow shows...lepidolite mirrors a similar compositional shift in tourmaline (e.g., London 2016) and may arise from the same...composed of feldspars, quartz, muscovite, “black” tourmaline, and other common minerals. The composition of |
 | | Journal (article/letter/editorial) |
| Union County, Georgia. It was also formerly mined from a pegmatite at Pinetuckey, Randolph County, Alabama;...pegmatite on the dump of the King Mine in the Shelby-Hickory District of North Carolina. Free gold has...Fremont County, Colorado. Elsewhere native gold has been re ported from pegmatite at the Natas Mine in southwestern...the pegmatites of the Alto Ligonno Pegma tite District in Mozambique, Portuguese East Africa as at the...with cleavelandite and green tourmaline; also with spodumene, green tourmaline, rnuscovite, and quartz, presumably |
 | | Report (issue) |
| . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . |
 | | Journal (issue) |
| Marvin Hanner Additions to the Ore Mineralogy of Colorado.................................................by Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt....................................had achieved considerable fame, and the right to mine diopside was obtained that year by G eorge L. English...thereafter. In 1971 both the land and the right to mine diopside were purchased by the present owners, Schuyler...Alveum, R obert Dow, and G eorge Robinson. T he mine is now being worked interm ittently each year for |
 | | Book |
| Petrified Forest Trails Arizona Gem Trails and the Colorado Desert of California High Tension (A Biography)...\merica Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho...of commercial mining is also long, beginning with the Kenya opal mines of 4000 B.C. Mining began with gemstones...gemstones, instead of metallic ores, and mining for turquoise was enormously extended throughout the...had been sending great expeditions to prospect and mine for it throughout the Sinai Peninsula since at least |
 | | Report (issue) |
| described in Part A the name, U.S. Bureau of Mines mining district, reference that has the occurrence plotted... (American Cr.) Chromite, Gold Hot Springs district MF-371, loc. 20 Tanana (13.2-13.55, 1.5-2.15)...ft; alluvium frozen, requiring thawing ahead of mining. Gold in lower 4 ft of gravel and in top 2-3 ft...to terminate (American Gulch) Gold Melozitna district MF-371, loc. 14 Tanana (0.4, 4.8) 65°16'N, 152°56'W...early as 1911, but there is no report of successful mining. Gravels reported to be 10-12 ft deep and unfrozen |
 | | Journal (article/letter/editorial) |
| SHINKOLOBWE MINE, Host rock 1. Formational Name Mineral association I. Major Metallic Minerals Mine series...CONGO. Paragenesis Stage A Quartz with monazite, tourmaline and apatite. Fracture filling was the chief...generally Millat quartz. barren. accessory tourmaline, antimonides Native silver apatite, titanitc...{•uartz Jasper Most of the North-south trending "Midnight" veins, dipping west, have been most productive...uranium.Because of the longmininghistoryof the district, theJoachimsthal areahasbeendescribed in greatdetailin |
 | | Report (issue) |
| organization is carrying on for the direct advancement of mining interests throughout the country than can readily...Pisgah........ ...... N.C.-S.C..... 148 Joplin district...... Mo.-Kans .... 476 149 Penobscot Bay ...Washington County, Pennsylvania, by F. G. Clapp. No. 304. Oil and gas fields of Greene County, Pennsylvania...Preliminary report on the Santa Maria oil district, Santa Barbara County, California, by Ralph Arnold and Robert...and oil resources of the Summerland district, Santa Barbara County, California, by Ralph Arnold. No. 322 |
 | | Book (edition) |
| McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones...used mining districts as part of the locality description. These political and geographic district names...with a more descriptive term, metallic mineral district. This term shows the geochemical and mineralogical...reader to learn more about the geology of the district and to possibly predict the minerals that could...districts. Where possible, the metallic mineral district for each mineral locality is given for the mineral |
