 | | Report (issue) | | 15,1928 No. 2 A BULLETIN ON THE MINERAL DUMORTIERITE PUBLISHED QUARTERIAY BY THE UNIIrERSITY OF...D JOHN A. FULTOR, E.M .............rrofessor of Mining Engineering and Director of the Mackay School of...THEGEOLOGY OF TIIE DEPOSIT OF DUMORTIERITE I N HUMBOLDT QIJEERCANYOX, PERSHING COUNTY, NEVADA, .I G. Jones ....JOHN A. FULTOK, Director. THE MINERALOGY OF DUMORTIERITE By 0.R. GRAWE Instructor in Mineralogy, Mackay...Mines HISTORY AND OCCURRENCE The history of dumortierite as a distinct mineral species dates back to |  | | Journal (article/letter/editorial) | | Montana Mineral Locality Index Downloaded by [University of Nebraska, Lincoln] at 20:00 09 April 2015...with its representation of mining tools clearly proclaim Montana’s mining origins. Montana’s production...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...2. Granville Stuart established Montana’s first mining camp at Gold Creek in 1860. Geologic Provinces...Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded by [University |  | | Journal (article/letter/editorial) | | in Aquia (Mi.ddle Eocene), Anne Arun629 383 del County, Maryland Basaluminite, hydrobasaluminite. (Hollingworth...F. New locality for greenloJ ockite crystals in Bolivia. . Alkaline rocks of the Nemuro District, Hokkaido...l l o fl i n a r i t e . . . . . . 5 1 1 nate, a new mineral. (Mason, Unit cell of magnetoplumVitaliano)...inclusionsin fects of clay and related maberyl and quartz frorn pegmaterials. 182 tites of the Middletown...Saskatchewan. . . . IU Breece, New Mexico, meteoritic Capitan Quadrangle, New Mexico, iron. (Beck, LaPaz, Goldigneous |  | | Report (volume) | | Bibliography of Andalusite, Kyanite Sillimanite, Dumortierite Topaz, and Pyrophyllite in the United States...Bibliography of Andalusite, Kyanite Sillimanite, Dumortierite Topaz, and Pyrophyllite in the United States..._________________________________________________ Dumortierite- __-___--_____-_-_--_________--____-______________...BIBLIOGRAPHY OF ANDALUSITE, KYANITE SILLIMANITE, DUMORTIERITE, TOPAZ, AND PYROPHYLLITE IN THE UNITED STATES...further subdivided by geographic areas (State and county) and by subjects, which include general, geology |  | | Journal (article/letter/editorial) | | have shown that tourmaline of such compositions (quartz) breaks down at w700–800(C at low pressures (e...distribution of retrograde borosilicates such as dumortierite, in the field, we can trace the movement of...Ryoke metamorphic belt, SW Japan, are reported, with new data demonstrating the usefulness of retrograde tourmaline...the migmatites. Other borosilicates, such as dumortierite, were not observed. Whole-rock boron analyses...showing the mode of occurrence of tourmaline and dumortierite from the Komagane area: (g) Prograde tourmaline |  | | Journal (article/letter/editorial) | | have shown that tourmaline of such compositions (quartz) breaks down at w700–800(C at low pressures (e...distribution of retrograde borosilicates such as dumortierite, in the field, we can trace the movement of...Ryoke metamorphic belt, SW Japan, are reported, with new data demonstrating the usefulness of retrograde tourmaline...the migmatites. Other borosilicates, such as dumortierite, were not observed. Whole-rock boron analyses...showing the mode of occurrence of tourmaline and dumortierite from the Komagane area: (g) Prograde tourmaline |  | | Journal (article/letter/editorial) | | 916 NOTESAND NEWS A NEW DUMORTIERITE LOCALITY FROM MONTANA Cnanros E. Gnarraiu -qNt Foneos RosBnrsox*...RosBnrsox* The mineral dumortierite, a boron-aluminum-silicate, is reported for the first time in Montana. It...microcline-microperthite, quartz, oligoclase,and muscovite. Rlack tourmaline and the royal blue dumortierite are found...locally. The physical properties of the Ruby Range dumortierite agree closely with previously published descriptions...colorless,minute irregular opaque' and very small dumortierite grains. and Qualitative spectrographic analysis |  | | Journal (article/letter/editorial) | | Washington Blvd., Urbana, Ill. PROCEEDINGS OF SOCIETIES NEW ENGLAND INTERCOLLEGIATEGEQI,OGICALEXCURSION As reported...to weathering processeswere reviewed. In northern New Jersey, zeolites occur locally in the Palisade diabase...occurrence of stilbite and harmotome in the schists of New York. Mr. Gordon remarked that zeolitesare frequently...GontoN, Secretary NEW YORK MINERAI,OGICAL CLUB The Regular Monthly Meeting of the New York Mineralogical...speaker of the evening, Dr. George I. Finlay of New York University, rvbo read a paper on ,,The Minerals |  | | Journal (article/letter/editorial) | | Arkansas River further to the south is the dumortierite locality. Occasionally topaz occurs on the slopes...on the microcline (amazonite), albite and smoky quartz of Pike's Peak and the neighboring region. Among...the Crystal Peak region and spoke of the smoky quartz as especially interesting crystallographically...occasionally the rare mineral phenaoite also occurs on the quartz and with microcline. The microcline crystals are...to etching; he also spoke of the luminescence of quartz pebbles and of limestone containing fluorine. On |  | | Journal (article/letter/editorial) | | Mg-rich dumortierite in cordieriteorthoamphibole-bearing rocks from the highgrade Bamble Sector, south...3508 TA Utrecht, The Netherlands Abstract Dumortierite is described from several occurrences of co...Sector, south Norway. Dumortierite occurs with chlorite, muscovite and quartz in late M 4 alteration...conditions, which are interpreted as conditions of dumortierite formation, are estimated from the associated...associated late M 4 kyanite-andalusite-chlorite-quartz assemblage and Mg-Fe exchange geothermometry to be 500 |  | | Report (volume) | | remain the same in each issue of the bibliography, new ones are included and others are discontinued as...headings are: ALABAMA, ALBERTA, CANADA, JAMAICA, MEXICO, NEVADA, and UNITED STATES. CANADA and UNITED STATES...the layman. Rock names and areas; restricted to new or unusual rocks or detailed descriptions. Special...are as follows: COLORADO. Mineralogy. Montrose County, uranium-vanadium deposits: Weeks, A. D., 13R....Iron, Cook County, titaniferous magnetite: Grout, F. F., 5. IRON. Minnesota, Cook County, titaniferous |
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