 | | Journal (article/letter/editorial) | | Postcard view of the Waukon iron mine, Allamakee County, cia. 1912. John Taylor collection. ARTHUR E ...HAROLD L. PRlOR P.O. Box 111 Columbus Junction, Iowa 52738 halprior@ louisacomm.net When we began this...too, could be cited with many other localities. Iowa contains the type locality for one mineral, iowaite...December 2014 Figure 2. Map of Iowa showing the counties. Courtesy Iowa Geological Survey. ACKNOWLEDGMENTS...is courtesy of the Iowa Geological Survey. Localities by County Allamakee County Lansing, Lansing lead |  | | Journal (article/letter/editorial) | | however,the commonnonmetallicmineralsincludeopal,chalcedony and quartz,black (manganiferous) calcite,barite...district,New Mexico, and the Aguila district, Mohave County,Arizona and severalother districts,have been closelystudied...district. Also, in the Little Florida Mountains, Luna County,New Mexico, three mineralbeltsmay be discerned;at...found at only one locality in the United States,Franklin Furnace, New Jersey. At this locality,it is considered...processes; in one locality, Rockhousemine, Socorro County, New Mexico, the mineral may have a hypogeneorigin |  | | Journal (issue) | | varieties, including petrified wood and colored chalcedony. In addition to the coffee at Bayou Salado, Dave...eruptive rocks from the CCVF cover an area of Park County. approximately 8500 sq. mi. including most of the...Mineral Belt on the north and west” (McIntosh and Chapin, 2004). Cont. Pg 6 Page 4 PICK & PACK October...field trip headed south from Hartsel on CO 9 and County 53 Rd and noted the Antero Formation of Oligocene...produced some very nice specimens of a light blue chalcedony, some of it in vugs, most of it bubbly, and some |  | | Report (volume) | | Resources of the Artillery Mountains Region Mohave County, Arizona By S. G. LASKY and B. N. \VEBBER GEOLOGICAL...manganese basin______________ ___ __ _ __ __ _ __ _ __ Chapin VV ash formation (early Pliocene?)_____________________...faults_____________________ Bedded deposits in the Chapin Wash formation___________________ Generalsumma...________ __ ___ __ lJpper Chapin block ______________________________ . Lower Chapin block_______________________________...____________ lJpper Chapin block___________________________________ Lower Chapin block ____________________ |  | | Journal (issue) | | Township, along the Susquehanna River, Bradford County, Pennsylvania (Bixby 1914). This farm was just...and the magnificent selenite crystals of Piute County, of which many museums now have specimens (Bixby...and Tim Q. [George] Shirley at Opaline, Owyhee County, located 18 miles south of Caldwell, Idaho. Some...Bixby cited this abandoned pegmatite as in Douglas County, the abundant presence of schorl suggests the pegmatite...more probably found further north in Jefferson County. The December, 1894 issue of the Mineral Collector |  | | Report (issue) | | I s { IOWA ft 7 ■■• A * i . ;» \ P* A 7-. ■ «*"V ' r * < •+ ' 1 ’ T, / • k’-/ 5...i S' s I . " * • * «r- ‘ ; ' Geologist, Iowa Geological Survey ' .*4** =»*' I Paul*J. Horick...Jithill * v'v* l* Iowa Geolo^ica^Survey Educational Series 2 V . - -■' ( J Iowa Geological Survey...Educational Series 2 THE MINERALS OF IOWA by Paul J. Horick Geologist Iowa Geological Survey edited by Otto...STATE OF IOWA 1974 Library of Congress Catalog Card Number: 74-620075 Available from the Iowa Geological |  | | Report (issue) | | hematite, pyrite, siderite, magnetite, quartz, chalcedony, and chlorite. Parisite, bastnaesite, muscovite...mapped as graywacke by Buddington (Buddington and Chapin, 1929, pl. 1) were also examined. In addition,...mapped as graywacke by Buddington (Buddington and Chapin, 1929, pl. 1). Additional examinations were made...Prince of Wales Island. Buddington (Buddington and Chapin, 1929, pl. 1) did reconnaissance mapping in the...Buddington mapped as "graywacke" (Buddington and Chapin, 1929, pl. 1) is actually very limy as indicated |  | | Book (volume) | | Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE:...agate, (banded, various colors), jasper. BIBB COUNTY MACON: at Holton Quarry, 7½ mi. NWagate; N |  | | Book (volume) | | Virginia VOLUME 3: THE NORTHWESTERN QUANDRANT Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska...TREASURES VOLUME ep The Northwestern Quadrant Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible...for the county in which it is located. This site number also appears under the given county in the text...under the heading of Nebraska, on the map of Sioux County, the site x How to Use This Book indicated |  | | Journal (article/letter/editorial) | | mineralizationis confined to the lacustrinefacies of Chapin Wash sediments, composed of tuffaceous mudstones...metamorphichighlands and2 coreholes.The stratigraphicunitsof the Chapin and the westernpart of the volcaniccomplexto the...age (17-21 m.y., Lindsay and Tessman,1974). The Chapin Wash Formation is unconformably overlainby flowsof...The relationshipbetweensedimentaryfaciesof the Chapin WashFormationand the extentof sedimenthosted uranium...2813 1. The alluvialstratigraphic unitsof the Chapin sition of selectedcore sampleswas determined miWash |  | | Report (issue) | | Deposits of the Poncha Springs SE Quadrangle, Chaffee County, Colorado GEOLOGICAL SURVEY Work done in cooperation...Deposits of the Poncha Springs SE Quadrangle, Chaffee County, Colorado By RALPH E. VAN ALSTINE GEOLOGICAL ...quadrangle, Chaffee County Gravel pits in the Poncha Springs SE quadrangle, Chaffee County in GEOLOGY AND...DEPOSITS OF THE PONCHA SPRINGS SE QUADRANGLE, CHAFFEE COUNTY, COLORADO By RALPH E. VAN ALSTINE ABSTRACT The...southwest of Denver, is in the southern part of Chaffee County, central Colorado. It is at the west edge of Salida |  | | Report (issue) | | the Chapin Wash Formation by Reyner, et. al. (1956), Peirce (1977), and Otton (1977b). The Chapin l....imestones and lutites in this unit are beds of chalcedony up to 1 m thick. These beds and the associated...Top" Formation may be correlative to part of the Chapin \'-/ash Formation of Lasky and Webber (1949). ...the dissemination of fine-grained multicolored chalcedony in the sediments, the replacement and preservation...MAP ANDERSON MINEDATE CREEK BASIN AREA Yavapai County, Arizona Fig.I-A ,- - - - - - - - - - - -_.._-_ |  | | Journal (issue) | | THE CALIFORNIA FEDERATION ANDv1/ews PL.ACER COUNTY, CALI" MINERALOGICAL SOCIETIES, INC. M. Leonardi...on the various forma tions of chalcedony. He explained that chalcedony is the base of all quartz gem...forms a jell in cavities which hardens into the chalcedony roses of the desert. The liquid form percolates... co balt blues and greens, etc. Apple green chalcedony is called chrysophrase. Clear red is carnelian...forced into jelled chalcedony in clusters of straight lines is saganlte. Chalcedony with its variety of |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...nodule may contain a center of surrounded by chalcedony easily discernible quartz crystals that crystalline...mass. Tenacity is a quality closely allied chalcedony and jasper, because of their makeup, are tougher...granite except and cools, gas pockets may be chalcedony or opal, de- dissolved from the lava. Similarly...northern Idaho. the cells with silica, or a cast of chalcedony space left Two other formations create conditions |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...botryoidal chalcedony, occasionally with pale Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE...deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...botryoidal chalcedony, occasionally with pale Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE...deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | Lueth, Virgil W., Chamberlin, Richard M., Peters, Lisa (2004) Age of Mineralization in the Luis Lopez Manganese District, Socorro County, New Mexico, As Determined by 40Ar/39Ar Dating of Cryptomelane, in Tectonics, geochronology, and volcanism in the Southern Rocky Mountains and Rio Grande rift. Bulletin 160, New Mexico Bureau of Geology and Mineral Resources. 239-250 | Report (chapter) | | mineralization in the Luis Lopez manganese district, Socorro County, New Mexico, as determined by 40Ar/39Ar dating...tiltedfaultblock uplifts and intervening alluvial basins (Chapin and Cather 1994). Primary host rocks for northstriking...an anomalous red color and very well indurated (Chapin and Lindley 1986). Metasomatism com monly extends...plagioclase; they contain as much as 12 wt% K2O (Chapin and Lindley 1986; Ennis et al. 2000). Initially...brines from a large playa system of Miocene age (Chapin and Lindley 1986; Dunbar et al. 1994). In the northern |  | | Book (edition) | | includes 1 SOUTH DAKOTA • MICHIGAN • ILLINOIS • IOWA WISCONSIN • OHIO • KANSAS • NORTH DAKOTA NEBRASKA...Finds ................ Fairburn Type Agate Blue Chalcedony .... Tourmaline ............... Selenite................. Black Agates..................... Chalcedony ..................... THE BADLANDS ............... .46 3 IOWA ....................... 47 MICHIGAN ............. 63 WESTERN IOWA ....................... -47 THE KEWEENAW PENINSULA NORTHERN IOWA.......................... Gems ................ |  | | Report (volume) | | DEPOSITS IN THE ARTILLERY MOUNTAINS REGION MOHAVE COUNTY, ARIZONA BY S. G. LASKY AND B. N. WEBBER Strategic................... Upper Chapin block............................ Lower Chapin block................................... Upper Chapin block................................ Lower Chapin block...................and sections of the area along Maggie Canyon and Chapin Wash, Artillery Mountains, Ariz............................. 428 65. Manganiferous sediments in Chapin Wash at Cobwebb Hill.......................... |  | | Book | | Co. Hematite CALERA, Shelby Co. Wavkllite CLAY COUNTY, Sec. 24. T. 19 S R., 7 E. STATUARY, Coosa Co...Co., (W. border of* Marble Crystalline TALLADEGA COUNTY Marble, (crystalline) VALLEY HEAD, DeKalb Co. Hematite...Feldspar HISSOP, Coosa Co., (near) Beryl JACKSON COUNTY Hematite KENNEDYS, Clay Co., (near) Magnetite MILLERVILLE...Azurite CLIFTON-MORENCI DISTRICT, Greenlee Co Chalcedony DEER CREEK, Gila Co., near Jasper GEALE MOUNTAINS...milepost No. 87, on Atchison, Topeka & Santa Fe R.R. Chalcedony PATAGONIA, Santa Cruz Co., (5 mi S. of, Alunite |  | Renault, Jacques, Armstrong, Augustus K., Repetski, John E., Oscarson, Robert L. (1995) Geology, mineralogy, geochemistry, and geothermometry of Kelley Limestone jasperoids, Magdalena mining district, New Mexico. Bulletin 152. New Mexico Bureau of Geology and Mineral Resources doi:10.58799/b-152 | Report (issue) | | BUREAU OF MINES & MINERAL RESOURCES Charles E. Chapin, Director and State Geologist BOARD OF REGENTS...km) southeast of the town of Magdalena, Socorro County, New Mexico (Fig. 1). The mining district is accessible...Waldo—Graphic mine. Bobrow et al. (1983), Chapin et al. (1978), Chapin (1989), and McIntosh et al. (1991) studied...fault connecting en-echelon axes of extension. Chapin (1989) further stated that rifting in the region...Magdalena Mountains have K/Ar ages of 28 to 31 Ma (Chapin, 1989). Ar/39Ar dating by McIntosh et al. (1991) |  | | Report (issue) | | by U.S. Geological Survey geologists, Theodore Chapin in 1916, G. H. Girty in 1918, and J. S. Williams...(in Buddington and Chapin, 1929) published a faunal list of the material he .and Chapin collected. He noted...random collections made in the area by Theodore Chapin in 1916, G. H. Girty and W. C. Waters in 1918,...the broken tip. The epitheca is silicified, and chalcedony has penetrated and replaced some of the interior...studied (pl. 12, fig. 5) has a diameter of 3 mm. Chalcedony has replaced the calcite of the epitheca and |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...easily discernible quartz crystals surrounded by chalcedony that is crystalline only to the eye of the microscope...a quality closely allied to fracture pattern; chalcedony and jasper, because of their cryptocrystalline...rock cools, leaving a mold in which casts of chalcedony form. Or the tree substance may be replaced slowly...with running water, as at the ruby mines near Franklin, North Carolina, and the sapphire areas in Montana |  | Burt, Donald M., Sheridan, Michael F., Bikun, James V., Christiansen, Eric H. (1982) Topaz rhyolites; distribution, origin, and significance for exploration. Economic Geology, 77 (8) 1818-1836 doi:10.2113/gsecongeo.77.8.1818 | Journal (article/letter/editorial) | | Presentaddress:Departmentof Geology,Universityof Iowa, Iowa City, Iowa 52242. Og61-O128/82/lOg/1818-1952.50 described...opal,calcite;on marginof Cross,1886; Epis and Chapin, 1968; Van Alstine, 1969; Zielinski et al., 1977...lavaflowandoccurswith fine-grainedpurplefluorite, chalcedony,and Mn-Fe oxidesthat replacePaleozoic dolomi...Quaternaryrhyolitefrom the Mineral Mountains,Utah, USA: Univ. Utah Dept. GeologyGeophysics Rept. DOE/ID...topaz-bearingrhyolitesfrom near Burro Creek, Mohave County,westernArizona--possible exploration significance: |  | Villarreal-Fuentes, Janet, Levresse, Gilles, Nieto-Samaniego, Angel F., Alexandre, Paul, Corona-Esquivel, Rodolfo (2016) Geochemistry and geochronology of the Sierra de Gomez Limestone-hosted U deposit, Chihuahua: Implications for distribution of Rio Grande rift mineral deposits in northern Mexico. Ore Geology Reviews, 76. 19-34 doi:10.1016/j.oregeorev.2016.01.004 | Journal (article/letter/editorial) | | along and adjacent to the Rio Grande rift valley (Chapin et al., 2004). Alkali olivine basalts first appeared...Ma, when the crust became critically extended (Chapin et al., 2004). The youngest volcanism occurs along...approximately 40 ka) in northeastern New Mexico (Chapin et al., 2004). The RGR is associated with high...predates the mineral precipitates (green calcite, chalcedony, fluorite, iron oxides, and uranium oxides; Fig...originated from pulses of hydrothermal fluids. Chalcedony can be locally abundant and is associated with |
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