 | | Book | | a few such specimens have been found after 1960 (see the Amity-Edenville entry for Edenite and Spine!)...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...to 2 cm which are pseudomorphs after bastnasite--see photo in Guastoni, Pezzotta and Zorzi (2008). ILMENITE...euhedral, pale tan to white rnicrocline crystals-see photos in Dupuis and David (2013). ffighway 5 extension...molybdenite specimens showing crystals to 6 cm (see this entry for Molybdenite), and in a second roadcut |  | | Book (volume) | | ' This Kupferschiefer is cases. lean in this district, carrying only 1.4% of copper, and no silver,...of Kamsdorf and at the Eothen Berge at Saalfeld (see p. 227). Barite and various carbonates, especially...fissures known as 'rucken' in the Mansfeld copper district also contain occasional nickelite, together with... known examples of this type is the cobalt district of Schneeberg, in Saxony, a mountainous region...present. Besides quartz-cobalt veins the Schneeberg district contains quite a 3 variety of vein types, which |  | | Journal (article/letter/editorial) | | additional Occurrences of Taehylyte," Quart. Journ. Geol. See. vol. xliv. p. 307. Q. J. G. S. No. 182. x Downloaded...of native silver in the Variolite of the same district led him to examine it, w i t h the result t h...province de DauphinG,' Grenoble : 1781, t. i. ~). 253. See also Faujas de St. Fond, ' Histoire Naturelle des...pp. 16o-72. ~ 8 2Ann. des Sci. Physiques et Nat. See. l~y. d'Agrie. Lyon, sGr. i. t. iv. (1841) pp. 105-183...Brian~onnais 82; in the latter he represented this igneous massif as composed of euphotide intrusive in the surrounding |  | | Report (volume) | | of the Corundum Knob area, Buck Creek corund~m district, Clay County, N.c ........ Geology and topography...Shaft (Cullakeenee) mine, Buck Creek corundum district, Clay Count•y, N. C •••••.•.•.••••••.••... In...••••. 106 Types of veins, Buck Creek corundum district, Clay County, N. C. A, Barren feldspar-hornblende...hydrothermal solutions that have formed veins of actinolite, anthophyllite, vermiculite, talc, and chlorite...and nearby prospects in the eastern part of the district. They contain corundum together with sadie plagioclase |  | | Journal (article/letter/editorial) | | complexes is disputable (e.g. those in the Ticino district and the Lanzo lherzolite). The first purpose of...[10]. The basal ophiolite breccia exposed on the west slope of the Chabriere Valley contains serpentinite...discordance between them. The limestone at Pelvas massif on the east, and in turn was overridden by Permo-Triassic...strata of the Brianqon zone backthrusted from the west (Fig. 2). The ophiolites generally occur as thin...O r t h o p y r o x e n e (or the Chenaillet massif [20] and Allalin c h a n g e o f ' g r a i |  | | Journal (issue) | | Bastnas Mines, Riddarhyttan Ore Field, Bergslagen District, Vastmanland, Sweden ........... 187 by L. Ohman...from the Trimouns talc quarry near Luzenac, France (see the article beginning on page 225). Freddy Marty...BASTDAS ffiIDES RIDDARHYTTAD ORE FIELD, BERGSLAGED DISTRICT, VASTffiADLADD, SillEDED Lennart Ohman Hi:igviltsvagen...about 70 kilometers northwest of Vasteras and 180 km west-northwest of Stockholm. Specimens from Bastnas,...certainty from the mid-14th century, making this district one of the oldest in Sweden. Though the mine was |  | | Book | | Sapphire from Kenya 42 Ruby from Mangari, Tsavo West National Park, Kenya 44 Chapter 4. Emerald and...Garnets of East Africa 73 Rh.odolite of the Lindi District, Tanzania 76 Tsavorite Garnets 76 The Pyrope-...Tanzania 96 Red Dravite Tourmaline from the Narok District, Kenya 99 Uvite-Dravite Chrome Tourmaline 99 ...phlogopite mica found in a ruby from Mangari, Taita District, Kenya. 47 Figure 4.1. Typical Manyara (Maji Mota)...covering notable gem-rich regions of the world. I am honored to be able to provide these few remarks to |  | | Book (edition) | | away beforc wc could finish this collaboration. I am pleased to have been able to finish lhis Glossary...Pierre-Jacques Chiappero (France). G. Daxner (Austria). M. Dcliens (Belgium). Giancarlo Delia Ventura... Keams (USA). Elisabeth Kirchner (Austria), Uwe Kolitsch (Austria). Werner Krause (Gennany). Andre Lalonde...Lalonde (Canada), P. Leblhuber (Austria), Andrew Locock (Canada). J.A. Mandarino (deceased) (Canada),...Filippo Olmi (deccased) (ltaly). Werner H. Paar (Austria). Gian Carlo Parodi (France). Marco Pa ero (ltaly) |  | | Report (volume) | | ........................ Midas or Gold Circle district........................................ Location..........:.................-..-. 63 Good Hope district..................................................... . Richmond district............................................. Lynn district...................................... 100 Cortez and Mill Canyon district.................................... 100 Location.................................... 110 Safford district.............................................. |  | | Report (volume) | | ........................... 63 North Canaan and West Norfolk areas............................ 65 Limestone...12. Overturned anticline in Cleveland Mountain, west of Harmon Pond, New Marlboro......................pre-Oambrian anticlines, more or less overturned to the west, which form an almost continuous band across the...limestone rise somewhat onto the upland from the west, and the Cambrian gneisses dip steeply beneath newer...part of the tract they bend in great curves to the west, even into sickle shape, and in extreme form are |  | | Journal (issue) | | usually only do this once a year, so have a look and see what you need. Or pick out some special issues to... LOCATION Trumbull Peak is located on the western slope of the Sierra Nevada Range in NEV4 Sec. 9, T3S,...Merid ian, about 67 km northeast of Merced and 8 km west of El Portal, the gateway to the Yosemite National...area is located about 200 meters down the steep slope to the northwest. There are no physical landmarks...Highway 120 to Trumbull Peak, including the western slope of the peak. The area has changed in appearance |  | | Journal (article/letter/editorial) | | the decomposition of the dunite. Light green actinolite, pale lavender kdmmererite, a colorless chlorite...replacement of actinolite, and it has probably also replaced kiimmererite. The actinolite now forms isolated...micaceous mineral at the expense of acicular actinolite proves that the structure of the former is not...the A schist occurring on the west slope of Rochester mining district, Nevada, appears to have been fi...Jonesl as a result of a reconnaissancethrough the district in 1913. The schist is better referred to as a |  | | Book | | challenge of revising and further completing my work. I am grateful to the members of the Boston Mineral Club...1987 Route 128 and Route 3, where traffic from the west and south of Boston meets and passes at the rate...from Roxbury south to Brockton and from Braintree west to Needham and Wellesley. BRAINTREE - By most accounts...of Route 128 and Route 3, where traffic from the west and south of Boston meets and passes at the rate...in rock just west of that intersection, there's gold. Real gold. The stuff of the Old West, here in the |  | | Report (issue) | | .......... Bedding-plane faults of the Eureka district Interpretation of original conditions along the...deposits................ Deposits of the Sylvanite district......................... ' Types of deposits....structural features............ Deposits of the Eureka district .............................. Types of deposits......................................... Eureka district...................'.........................,...................................... Sylvanite district.............................................. |  | | Report (issue) | | Lincoln County__-__-----_-----_-----___ Tern Piute district....... __ ___ ... Mineral County____-_______________...magnesite deposits. __ Pershing County __ Rocks in the West Humboldt Range ..~ Limerick Canyon area... ________...sampling____ _________ Tungsten area, Mill City district ___ Sutton beds of local usage _______ George...Catron County______________________ Black Range district-__-_____--_________ Colfax County___-__________________...________________ Organ district-_____________________ Grant County _________________ Burro Mountains district-_______________ |  | | Report (issue) | | state geologist of Georgia, and it is to him that l am indebted for the following: a list of the localities...information in regard to the subject under discussion, I am indebted to two reports more than to any others,...Hyde Pratt and ,Joseph Voltney Lewis. Finally, I am indebted to Dr. Edgar Everhart, acting chemist of....................................... . LaGrange-West Point area ................................ . Petrography.................... . Hypersthenite, altered-neat West Point ................... . Metapyroxenite-McPherson |  | | Report (issue) | | wildest scenery i11 Central ltoss-shire. In t11e north-west corne1" of the map the1,e is a small patch of T1...the development of these rocks along the southern slope of the Fannich range. To 1vf1". Clough ,vas assigned...Sheet 92 . . . . . 97 8. Map of parts of Central and West Ross-shire, showing distribution of boulders of...the characteristic mountain forms. . In the north-west part of the map, the ground occ11pied by the Lewisian...gneisses, resembling types of Lewisian Gneiss to the west of the post-Cambrian thrt1sts. I 2 Introduction |  | | Report (issue) | | advance publication] Page (A) The Contact mining district, Nev., by Frank C. Schrader (B) The Rosebud coal...ILLUSTEATIONS PLATE!. The western part of the Contact district, Nev., looking northwest from the foothills east...2. Geologic reconnaissance map of the Contact district-___ 3. Claim map of the Contact district_________________...Pleistocene diversion channel of the Missouri River west of Manrock station; B, Outcrop of Tongue River member...horizontal beds of Eagle sandstone; B, View looking west across plateau surface of Liberty County toward |  | Filippi, Marco, Zanoni, Davide, Lardeaux, Jean-Marc, Spalla, Maria Iole, Gosso, Guido (2020) Evidence of Tethyan continental break-up and Alpine collision in the Argentera-Mercantour Massif, Western Alps. Lithos, 372. 105653pp. doi:10.1016/j.lithos.2020.105653 | Journal (article/letter/editorial) | | and Alpine collision in the Argentera-Mercantour Massif, Western Alps Marco Filippi, Davide Zanoni, Jean-Marc...and Alpine collision in the Argentera-Mercantour Massif, Western Alps, LITHOS (2020), https://doi.org/10...and Alpine collision in the Argentera-Mercantour Massif, Western Alps Marco Filippia,b,* marco.filippi@unimi...Pre-proof ABSTRACT In the Argentera-Mercantour Massif, swarms of high-K calc-alkaline lamprophyres intruded...metamorphic peak conditions of the Argentera-Mercantour Massif in lP Alpine times. na KEYWORDS: high-K calc-alkaline |  | | Journal (issue) | | from left: Fluorite, 6.7 cm, from the Weisseck, Austria. Collected by Reinhold Bacher; Reinhold Bacher...(exceeding 1 inch in diameter) blackened by actinolite (byssolite) and chlorite inclusions. The rain...for allowing a “doorway” to be opened to the left (west) of this byssolite region. Across the top of this...habit—the only such occurrence in the mine of which I am aware. Altogether about 100 tons of wulfenite crystals...outside of the pocket. Around noontime we were able to see into the pocket and The Mineralogical Record, Eureka |  | | Journal (article/letter/editorial) | | Dolerite Dykea I. INTRODUCTORY. Tm~ district to be treated lies to the west and south of the village of Sam...Pre-Cambrian systems. Several specimens from the district have been described by Professor Bonneyw and the...rocks of the district may be divided into two groups--an acidic, developed in the north and west, and a basic...207-215, and p. 456 (1880) ; vol. x. pp. 6568 (1883) ; see also Teall, ' British Petrography,' 1888. * Sam ...S ~ . 443 Fig. 1.--SIcetch-ma_p of the Earn district. (Scale ~ inch--1 mile.) Downloaded from http://jgslegacy |  | | Journal (article/letter/editorial) | | Notice of miscellaneous localities of minerals: Am. Jour' Scl', lst series, vol. 8, PP. 230-232, 1824...inch.) There are several recent cuts on the west slope of the hill, where some JOURNAL MINERALOGICAL...Part of Copper Mine Hill, Rhode Island' 282 THE AM ERICAN MI NERALOGIST Map A portion of the topographic... as determined mainly from thin section, are actinolite, epidote, chlorite, and quartz. There are also...cit. Robinson,op. cit. Island.I. ProvidenceCounty: Am. Mineral,.,vol. ll, p.336, 1926. s Warren andPowerc |  | | Report (volume) | | ..... 14 Actinolite quartzite....................................... 15 Chlorite-actinolite schist............................................ 24 Beds west of Providence and Pawtucket ......................western Rhode Island to Kingston, on the Sound, just west of the territory to be described in this bulletin...Mass. It grows coarser and porphyritic toward the west. The distinction here, as in Massachusetts, between...and represented it on his map at many points in West Greenwich, Coventry, and- Foster, and we have traced |  | | Report (issue) | | Quadrangle and Vicinity Idaho By ANNA HIETANEN MET AM ORPHIC AND IGNEOUS ROCKS ALONG THE NORTHWEST BORDER...garnet mica schist of the Prichard formation. 1 mile west of Orphan Point________________________________...Photomicrograph of garnet amphibolite on south slope of Goat Mountain ____ --- - - ----- -- -- --- ---...side of the North Fork of the Clearwater River just west of Larson Cabin--------------------------------...fine-grained border zone of anorthosite along the West Branch of Cedar Creek-------------------------- |  | | Journal (article/letter/editorial) | | omitted from locality information. Where lot and district numbers are given, it is necessary to use topographic...Reviews and suggestions by Thomas J . Crawford (West Georgia College) and Robert B . Cook (Auburn University)...the photographs. Baldwin County Milledgeville district—between the State Sanitarium and the Oconee River:...property—near Commerce: ferrocolumbite (Cook, 1978). Lula district—Standridge property, about 7.0 km east of Lula:...(chryso lite, olivine) (Teague, 1956). Jefferson district—9.7 km southwest of Jefferson on S.R. 11, northwest |
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