 | | Report (issue) | | 0, I y. 50 .r rVv, rv O. ^ NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT R. BRUCE ETHERIDGE...BULLETIN NO. 50 The Vermiculite Deposits of North Carolina BY THOMAS G. MURDOCK AND CHARLES E. HUNTER...UNDER THE DIRECTION OF JASPER L. STUCKEY, NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT...TENNESSEE VALLEY AUTHORITY RALEIGH 1946 NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT...BULLETIN NO. 50 The Vermiculite Deposits of North Carolina BY THOMAS G. MURDOCK AND CHARLES E. HUNTER |  | | Journal (article/letter/editorial) | | S.—Cyclus communis Rogers. Upper Coal Measures, Iola Limestone, Kansas City, Mo. Test preserved in white...series—the Warrow series, and the Dutton series, a group of acid granites of gneissic habit with associated...tourmaline, sphene rutile. Some of them contain chlorite, but this mineral in many cases is wholly absent... Sericite, present Chloritoid Chloritoid Chlorite Chlorite (access- fandal., rut., (chlor., rut., (ep...the analysed Frenchman rock in the presence of chlorite, which is conspicuous by its absence in the latter |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...Behnke Famous mineral localities: the Corrego Frio mine and vicinity, Minas Gerais, Brazil ...............in from Itagu agu , Espirito S anto, Brazil. The group m easu res 6.4 cm , and is from th e collection...collec tors in general. Dues are $6 per year (North American) and $8 per year (all others). People interested...new species are categorized according to anionic group as in the Dana system of mineral classification |  | | Report (volume) | | Olivine . 13 Talc •. 15 Serpentine . 19 The chlorite group. 24 The micas . 28 The vermiculites.. 31 Final...meteorite from Texas.. . . 91 Meteoric iron from North Carolina . 93 ... . Pallasite from Kansas. 94 Meteoric...Nock, Massachusetts. . 121 Websterite from North Carolina and Maryland . 122 Feldspars from Minnesota...apple-green, foliated talc from Hunter's Mill, Fairfax County, Virginia.. Analysis as follows.: SiO2 . A1203...towards acids tells very strongly. The univalent group — Mg — OH ought to be soluble in hydrochloric acid; |  | | Book (edition) | | solution will by the laws of molecular attraction group themselves together and gradually build up a definitely...state. As the magma cools these elements gradually group themselves into different mineral molecules, INTRODUCTION...definite symmetry The various which enables one to group them into different classes. operations that can...on many crystals is the Zones. arrangement of a group of faces in such a manner that their intersection...the minerals of Fig. 102. Apatite. the apatite group fall in this class that it is mentioned here. The |  | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...te, r.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph...Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 121 Gregory...Hen1in1orphite Azurile Barite, N1eikJe Mine Barite, '\forthun1berland Mine Bante, Rosebud t1ine Barile v;ith...inclusions Bolt½'OOdite Calcite, Meikle Mine Calcite, Getchell Mine Callaghanite Cassiterite and Hema tile |  | | Report (issue) | | • BROADFORD BEDS • • • ♦ • • • Raasay • North-East Skye UPPER LIAS • • • Raasay • Raasay Ironstone...• • • • • • • • • • • •· • Raasay • • North-East Skye Oil-..Shale . • • • • .. • • •...• • • • • • • • • • CHAPTER VI. Raasay • North-East Skye ESTUARINE SERIES • .. Structure and...29 CHAPTER V. • • • • Iron-Ore Field • . . . . North-East Skye Comparisons with other Scottish Districts.... ,, Fig. 2, Outcrop of Ironstone, east of Main Mine, Raasay . V. General View of Inferior Oolite at |  | | Report (volume) | | Director 1 Bulletin 746 GEOLOGIC LITERATURE ON 'NORTH AMERICA 1785-1918 BY JOHN M. NI I LES PART I..._________________ _ n ] 23 GEOLOGIC LITER \.TURE ON NORTH AMERICA, 1785-1918. By PART JOHN M. NICKLES...geology paleontology, petrology, and mineralogy of North America-specifically, the United States, the Dominion...of Canada and Newfoundland, the Arctic regions north of the continent, Gre nland, Mexico Central America...alifornia anada: anadian ' enlmlblatt incinnati county collection colle e lorado congress onue ticut co |  | | Book (edition) | | dictionary, especially the Dictionary Revision Group members and the Bureau's engineers, scientists,...panel of experts called the Dictionary Review Group. This group also examined the Society of Mining Engineers'...gratitude to the members of the Dictionary Revision Group: Robert L. Bates; V. A. Cammarota; M. Elizabeth... Norf Norfolk, England. N. of Eng North of England. N. Staff North Staffordshire Coalfield, England... Northumberland Coalfield, England. N. Wales North Wales. Pac Pacific Coast, U.S.A. Pat Patagonia |  | | Book (edition) | | subdivisions Thus two ofthe fractions present. group have quite different signifi- class is a pebbly...considered alone falls in the granule, the major group of sandy conglomerate conglomerate, 27 For sane...grain Thus the major silty very size of the group of muddy fine sandstone, sand fraction and...consolidated equivalents are given for each group. At the right of the group name is given an example of how the..."lumping, '' if one wishes of the to confine group names, or to a much more intricate subdivision, |
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