 | | Journal (article/letter/editorial) | | magnetite crystals were found at one time in the Franconia iron mine as were crystals to 5 cm across in Amherst...at the intersection of State Highway 38 and State Road 627, Amelia County, and octahedra to 1 cm across...occurred in talc at the Cherokee mine of the Ducktown district, Polk County, Tennessee. Sharply developed magnetite...pegmatite in the Eight Mile Park district, Fremont County; the Dory Hill road cut in Golden Gate Canyon, Gilpin...developed crystals to 8 cm across in the Iron Springs district of Iron and Millard counties, Utah. In recent |  | | Book | | zeolite mineralogy was done, at that time, in Germany, Italy, France, and Great Britain. Because of differences...composition), 600 to 900 meters thick, in the Oligocene to Lower Miocene John Day Formation in central Oregon (Hay...natrolite, gonnardite, gismondine, and faujasite; and a lower zone (up to 8 meters thick) that is analcime-dominant...covering of the flow by additional flows before the lower flow has cooled, differences in chemical environment...breccia and in the vesicular base of Oligocene to Lower Miocene columnar basalt in the Narre Warren Quarry | | | Book | | zeolite mineralogy was done, at that time, in Germany, Italy, France, and Great Britain. Because of differences...composition), 600 to 900 meters thick, in the Oligocene to Lower Miocene John Day Formation in central Oregon (Hay...natrolite, gonnardite, gismondine, and faujasite; and a lower zone (up to 8 meters thick) that is analcime-dominant...covering of the flow by additional flows before the lower flow has cooled, differences in chemical environment...breccia and in the vesicular base of Oligocene to Lower Miocene columnar basalt in the Narre Warren Quarry |  | | Journal (issue) | | Geology and Mineralization of the Blue River mining district DOGAMI PUBLICATIONS Publications are available...described from a late Eocene lacustrine deposit in the lower part of the John Day Formation on the southern slope...Eocene lacustrine floras of the Clarno Formation and lower Oligocene floras of the Bridge Creek flora provides...the still older plant fossil assemblages of the lower Oligocene Bridge Creek flora (Chaney, 1927; Meyer...because it correlates with a white tuff exposed in a cut of Highway 218 about 5 mi to the west-southwest; |  | | Journal (article/letter/editorial) | | MINERALS OF THE ELLIS STREET EXTENSION ROAD CUT Downloaded by [Athabasca University] at 07:00 13 June...Street Extension was constructed in 1973–75, its road cut produced numerous well-crystallized specimens...quartz, datolite, and barite, among others. The road cut exposed basalts with mineralized gas cavities...University] at 07:00 13 June 2016 LOCATION The road cut is south of the intersection of Ellis Street and...Survey 7.5-minute geologic map GQ-494 (1966). The cut is easily reached via Route 72 from the south or |  | | Journal (article/letter/editorial) | | Road-Cut All photos by Steven C. Chamberlain Mineral Downloaded by [Eindhoven Technical University]...Russell-Hermon Road Figure 1 (left). The prehnite occurrence on the Russell-Hermon Road. Figure 2 (above)...(above). Map showing the location of the prehnite road cut. STeVeN C. CHAMBeRlAIN 3140 CeC Center for Mineralogy...Vein structure of the mineralization with pink adularia, green prehnite, and gray quartz; 7.5 cm. Kenneth...Museum specimen 21436. T his fifth article in our road-cut series documents an unusual locality that is atypical |  | | Journal (article/letter/editorial) | | Colorado, 423 Actinolite, New York, 221, 454 Adularia, Michigan, 39 Agate, 160–65 Albert Laws Kidwell... S. C., Road-Cut Mineral Occurrences of St. Lawrence County, New York—Part 3: Oxbow Road Cut, 254–62;...County, Colorado, 338–44; Shattuckite, Kunene District, Kaokoveld, Namibia (R. Bowell, R. B. Cook), 544–550...County, Michigan, Lake Superior Native Copper District, T. Rosemeyer, 298–323 Cornell University collection...New Mineral Exhibit Opens in Freiberg, Saxony, Germany, 128–34 Francis, C. A., see Collector’s Note; Colorado |  | | Journal (article/letter/editorial) | | area: fluorapatite (blue-green), and orthoclase (road cut, village bypass), epidote, garnet, muscovite....Chatham Village, 0.5 mile W of Maine state line, open cut in zoned granitic pegmatite worked prior to 1940... 3.5 miles E of Intervale on Hurricane Mountain Road, then trail N up the mountain; miarolitic cavities...Janules 2004). Wakefield, Mineral Hill, N across the road and up the hill from the Weeks mine, 1880s shaft:...(Morrill 1960). Surry, Mine Ledge, includes road cut where road to Walpole cuts Mine Ledge Ridge: goethite* |  | | Journal (article/letter/editorial) | | ABSTRACT In the Providencia-Concepcion del Oro district, Mexico, hydrothermal Pb-Zn sulfideand iron oxide...muscoviteassociatedwith sulfide ore and in late albite-adularia mixtures was shown to be identical within the...ores in the Providencia Mine; and (III) albite-adularia mixturesfromlatehydrothermal veinsin the Concepcion...8u•le8 ffro• the Providencia-Co•cepcion del Oro district, K Ah0e Ah0e Ab0e K/l•b l•b Ziormal Sr87 l•b...goodagreementwith the K-Ar agesof the biotiteand adularia,and suggesta time intervalbetweenintrusion of |  | | Report (volume) | | system.____________________________________________ Lower Ordovician series-_____-_-______-____-----_--__---...Index map of Wisconsin-Illinois-Iowa zinc-lead district showing the location of the Dodgeville and Mineral...Normal fault with displacement of 22 feet on Linden road near Mineral Point- __________________________________...PARTS OF THE UPPER MISSISSIPPI VALLEY ZINC-LEAD DISTRICT GEOLOGY OF THE DODGEVILLE AND MINERAL POINT QUADRANGLES...sandstone and an important aquifer in the mining district. The Platteville formation is 53 to 65 feet thick |  | | Journal (article/letter/editorial) | | and West Paterson (including the famous Upper and Lower New Street quarries where crystals to 7 cm have...Notch and Prospect Park areas, and the Route 80 road cut. It has also been found in quarries at Upper Montclair...include calcite, copper, quartz, apophyllite, and adularia. Localities from which exceptional specimens have...which is on the Sharon claims in the Silver Peak district, Esmeralda County, where it forms transparent...south of Hannover, at Teichelberg in northern Bavaria, and near Vogelsbert Hessen, to mention only a |  | | Journal (article/letter/editorial) | | approximately 70 km west of Bayah Dome (a gold district at western Java). The exploration work at the...10.42 g/t gold and 60.7 g/t silver at a 3 g/t Au cut-off (Carlile et al., 2005). This equates to approximately...Ma respectively, while the 40Ar/39Ar dating on adularia collected from the veins suggested an age of mineralization...marked by the presence of the fluidized breccias cut by a later epithermal vein system that grades from...crustiform-colloform (early dominated by quartz-adularia to later dominated by quartz-clay) veins, to late |  | | Journal (article/letter/editorial) | | lead, zinc, mercury, quartz, roofing granules, road materials, talc, titanium, and vanadium has contributed...(Stroud et al., 1969). West Sugarloaf-Halden Creek District, includes the Bo nanza, Cave (Singleterry), Empire...sphalerite, malachite (Stroud et al., 1969). Zinc District, includes the Almy, Coker Hollow, Coon Hollow...1969). Boone County Carroll County Harrison Zinc District, includes the North Star and other mines along...west of Antoine River on north side of Ashbrook Road; mineralized Jackfork Sandstone; opened in 1938 |  | | Report (volume) | | RAM J: Wo Itinerary BSS CCC Bie(71S) EAN 2 0 Tae Road Log He AGUILAR SSRN i COCR GUST ne ee) ecoee wi... oh tee seareae 203 The Banska Stiavnica Ore District: Relationship between Metallogenetic Processes...basins as well as base-metal poor veins with adularia-sericite alteration will be examined in the Tokaj...lowsulfidation deposits of the Banska Stiavnica mining district. A high-sulfidation epithermal deposit will be...steam-heated zone 9.00 - 10.00 Travel to Telkibanya, adularia-sericite alteration zones 10.00- 12.00 | Underground |  | | Report (issue) | | and alteration-mineralization along the Harshaw Road Geology and alteration-mineralization of Kerr-McGee's...unit crops out on the flanks of Red Mountain and is cut in drill holes (figs. 2 and 4). It is part of the...breccias, silicified tuffs, flow(?), interlayered and cut by latite sills and dikes. The unit crops out in...Simons (1974). The layered rocks at Red Mountain are cut by severa 1 textura 1 varieties of porphyritic rocks...quartz-pyrite veinlets enclosed in sericitic envelopes cut the previously described alteration features. Figure |  | | Journal (article/letter/editorial) | | omitted from locality information. Where lot and district numbers are given, it is necessary to use topographic...the photographs. Baldwin County Milledgeville district—between the State Sanitarium and the Oconee River:...east of Commerce on S.R. 59, and 0.8 km off Browns Road: beryl (Furcron, 1959). Hills property—near Commerce:...Commerce: ferrocolumbite (Cook, 1978). Lula district—Standridge property, about 7.0 km east of Lula: kyanite...(chryso lite, olivine) (Teague, 1956). Jefferson district—9.7 km southwest of Jefferson on S.R. 11, northwest |  | | Journal (article/letter/editorial) | | Old Dexter quarry, Diamond Hill, the Route 114 road cut, and the Iron Hill mine. T H E T O W N S H I...quarry is at the junction of Route 146 and Wilbur Road; it is the last active source of limerock in the...region is glacial debris. The marble of the quarry is cut by several mafic dikes. The Conklin (formerly Harris)...Quarry Minerals (Including Varieties) Actinolite Adularia Almandine Anatase Albite Antigorite Aragonite...with mica and quartz in small pegmatite veins. Adularia crystals occur with quartz and in some places |  | | Report (issue) | | Quinlan Kerr-McGee Corporation Contents Page Road Log, Red Mountain Portion of Field Trip . . . ..... . . . 25 THIS PAGE INTENTIONALLY BLANK 1 ROAD LOG FOR RED MOUNTAIN PORTION OF ARIZONA GEOLOGIC...the junction of State Highway No. 82 and county road leading to the San Rafael Valley, Harshaw and Lochiel...strand in Meadow Valley andesite. STOP 1 Mile 2.7 Road cut exposures of Meadow Valley Andesite. These exposures...from San Rafael ValleyHarshaw-Lochiel county road on to road leading 2 to Red Mountain. Will transfer |  | | Book | | geographically: the Northern (Upper) and the Southern (Lower) Peninsulas, which, to a considerable degree, are...MISSISSIPPIAN □ DEVONIAN SILURIAN ORDOVICIAN □ CAMBRIAN ■ LOWER PROTEROZIC 0 MIDDLE PROTEAOZIC ARCHEAN Figur...Oronto Group a.. 3: co w C: _J 0 0 Marquette Iron District, Baraga and Marquette Counties diabase dikes...dikes diabase dikes Portage Lake Volcanics Lower Keweenawan Kallander Creek Formation ---------------------------Siemens...for evaporites are units of the Salina Group, the lower portion of which contains cyclic alternations of |  | | Journal (issue) | | Lieber Heidelberg, West Germany Olaf Medenbach Bochum-Querenburg, West Germany Eric Offermann Arlesheim...B&W) who can produce reasonably high quality at a lower price than we used to pay. With the help of this...89503 Introduction The Copper Mountain mining district, Prince of Wales Island, Alaska, was active from...has been no production. The major mine in the district, the Jumbo, produced 5000 tons of copper, about...possible low-grade ores. This small isolated mining district (Fig. 1) is one of the great mineral localities |  | | Journal (article/letter/editorial) | | (below). Apophyllite, 1 em, and gyrolite, Highway 95 road cut near Pinehurst, Adams County; Lanny Ream specimen...THOMSONITE. Adams County Alaska mine, Seven Devils district: azurite, grossular, malachite, powellite, and...mine, Seven Devils district: grossular. Blue Jacket claim, Seven Devils district, about 4 miles north-northeast... and stilbite. Copper Bo~' mine, Seven Devils district: epidote. Helena mine (reportedly just northwest...Landore, 4 miles northeast of Cuprum), Seven Devils district: L1NDGRENITE as subhedral crystals and coatings |  | | Journal (article/letter/editorial) | | Research Centre for Geosciences, 14473 Potsdam, Germany e-mail: wirth@gfz-potsdam.de reproduce the staircase-shaped...Qtz 500µm 1 E-4 16 b A’ B B’ C C’ 1.8 Adularia Ca-free 12 10 Ba/Na Oxides (wt %) A e 14...addition 0.5 0.4 0.04 Ba/Na Ba/K Ca removal (adularia) 0.02 Traverse CC’ 0.3 0.2 Traverse BB’ 0...intermediate ones to pristine Kfs, and high ones to adularia. e Ba/Na vs Ca/Na (atom/atom ratios) correlation...plots in the cluster near the origin. Ba-rich adularia (arrow) is mostly observed in A–A0 . f Detail |  | | Journal (article/letter/editorial) | | 13 October 2017 SUMMARY STEVEN C. CHAMBERLAIN Road-Cut Mineral Occurrences of St. Lawrence County, New...by Edley Brown in 2002 from the fluor-dravite road cut. Michael Walter specimen and photo. 556 ROCKS...collected by Edley Brown from the Kents Corners road cut. Steven C. Chamberlain specimen and photo (syncroscopy...collected by Edley Brown from the Kents Corners road cut. Steven C. Chamberlain specimen and photo (syncroscopy...sites; therefore, one might expect that each time a road cut is excavated, interesting min- eral specimens |  | | Journal (article/letter/editorial) | | Idaho, on die Trout Creek Road, about one mile west of the West Side Road, 121 black tourmaline xls...SFC. William J. Malarkey, who is stationed in Germany, we have the following item: "While stationed at...vesuvianite have in a ledge near Cornish, York of adularia epidote, esbeen found Co., Me. MARYLAND-Zelma...he found in a vertical vein in a road cut approx. 1 mile east of road on north side of Beltway, Baltimore...collecting area at junction of Joppa Road and Baltimore Beltway, road construction. I found many black tourmaline |  | | Journal (article/letter/editorial) | | (MHW) and her husband at the extensive Route 5 road cut north of Putney to point out exactly where harmotome...of quarries and mines listed was exceeded by the road cuts, outcrops, and placer gold areas. Marcelle...microminerals. 262 ROCKS & MINERALS Swarts described the road cut north of Putney, Windham County, in an article...of New England newsletter. The rather extensive road cut, trending east-west, is through phyllite, a common...occur on this matrix as does orthoclase variety adularia. Sphalerite can be found in fine crystals. An |
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