 | | Book | | MOLDAN UBIAN s. str. Gfohl unit < Ci MORAVO - SILESIAN (medium to high grade) D Drosendorf unit (low...International Geological Correlation Program hosted an international conference in G6ttingen/Giessen, Germany...geology of Central Europe. The present book represents an outgrowth of this conference, but is not merely a...Evolution S. VRANA, P. BLUMEL, and K. VIII Moravo-Silesian Zone VIII. A Introduction Z. MfsAR and M. X...Igneous Activity (Cadomian Plutonism in the Moravo-Silesian Basement) F. FINGER, G. FRASL, A. DUDEK, E. JELiNEK |  | Finger, F., Gerdes, A., Janoušek, V., René, M., Riegler, G. (2007) Resolving the Variscan evolution of the Moldanubian sector of the Bohemian Massif: the significance of the Bavarian and the Moravo-Moldanubian tectonometamorphic phases. Journal of GEOsciences, 52 (1-2) 9-28 | Journal (article/letter/editorial) | | process which may have followed the subduction of an intervening oceanic domain (a part of the Rheiic...magnesio-potassic granitoid melts (the 335–338 Ma old Durbachite plutons), which contain components from...distinguished, a western one at the Teplá–Barrandian and an eastern one close to the Moravian boundary. The combined...Zone during the Early Carboniferous. We discuss here an alternative tectonic scenario, in which the south-eastern...south-eastern Bohemian Massif is tentatively interpreted as an accretionary wedge successively underplated by material |  | | Book (volume) | | publisher. Cover photograph: Fluorapatite, Pulsifer quarry, Auburn, Maine (2.2 cm specimen), Harvard Mineralogical...director. As a scholar of mineralogy, he has been an indefatigable researcher and collector of mining...difficulty of obtaining the source material, which an inquiring reader would want to read, but also with...the facts presented here were not the figment of an active imagination. The great number of historical...authors' visiting the locations described. Mineralogy is an enjoyable branch of natural history which has taken |  | | Journal (article/letter/editorial) | | Rhodochrosite on sulfides, Sweet Home mine, Alma, Park County, Colorado, Martin Zinn specimen, Jeff Scovil photo...November/December: Copper, Cliff mine, Keweenaw County, Michigan. A. E. Seaman Mineral Museum specimen...Manganese-BariumMineral Locality in Northern Pittsylvania County, Virginia, 320-25 Behierite, Wisconsin, 170 Beudantite...J., Minerals of the Granite Gap Mines, Hidalgo County, New Mexico, 298-305 Biotite, Wisconsin, 173 Bitumen...Mineralogy Chile, luanheite, 120-22 Chips from the Quarry, M. E. Huizing, 5-7, 85-87, 149,213-15,293-95,373-75 |  | Kobayashi, Tomoyuki, Hirajima, Takao, Kawakami, Tetsuo, Svojtka, Martin (2011) Metamorphic history of garnet-rich gneiss at Ktiš in the Lhenice shear zone, Moldanubian Zone of the southern Bohemian Massif, inferred from inclusions and compositional zoning of garnet. Lithos, 124 (1) 46-65 doi:10.1016/j.lithos.2010.11.003 | Journal (article/letter/editorial) | | Republic. The matrix of the rock mainly comprises cordierite (Crd), sillimanite (Sil), biotite (Bt), garnet...(Xgrs = 0.02). However, pyrope (Prp)-content shows an inverse pattern against Grscontent; i.e., Prp-content...located outside of higher-Grs (Xgrs = 0.27)- and lower-Prp (Xprp = 0.03)-content contours. These observations...original shape of Grs-rich garnet developed during an early stage of the metamorphism. The zoning pattern... higher-phosphorus content of Grt can be used as an indicator of partial melting of the host rock. © |  | | Catalog/List | | Flinki te Horsfordite This list has quite a few "old time" specimens on it. Hurry, on these! Several items...Send a self-addressed stamped envelope to receive an addendum sheet. Please note our phone number is 716-467-8400... Very nice! ••• $75.00 81B02 URANINITE, Kinkel Quarry, Bedford, N.Y. (a) Excellent micro (to 3 mm) octahedral...x 6 cm) 81B03 MACDONALDITE, Rush Creek, Fresno County, California. (a) Micro acicular white macdonaldite...masses(3 x 4 cm),.$5.00 81B04 RUTILE, Lengenbach Quarry, Binn, Switzerland.m/m single, black, bipyramid |  | | Catalog/List | | Welcome to a new expanded Collector's Corner. Our old time customers will note the new look and revised...mined for rare earth elements, while there is also an igneous source for phosphorus in fluorapatite. Collecting...scientists, as it is located within the confines of an Army installation. (Similar fates have prevented...information is generic; occasionally a town or county name is also known. Some samples have mercury droplets...necessarily full. This selection of crude oil represents an exceptional opportunity to acquire oil of diverse |  | | Report (volume) | | ISI Science Citation Index, but they do not have an impact factor, the latter being applicable only to...considerable discounts. The Publishing House has an online bookshop (http://bookshop.geolsoc.org.uk)...CROWLEY, Q. G. Review of geochemical variation in Lower Palaeozoic metabasites from the NE Bohemian Massif:...geodynamic concepts 337 HENK, A. Foreland-directed lower-crustal flow and its implications for the exhumation...VELLMER, C, KERN, H. & MENGEL, K. The Variscan lower continental crust: evidence for crustal delamination |  | | Journal (article/letter/editorial) | | grouped in peculiar fashions. I n size they range from an inch or so to 5 or 6 inches." Sent in were two 3-cm...area in the high New England Ranges. On one of the old dumps I uncovered a deposit of odd-looking crystals...manganese oxides, was recently exposed in a gravel quarry here; running through the black material was a...basaltic matrix from the Magheramourne quarry, Larne, County Antrim, Northern Ireland. Downloaded by...associated with deep golden needles of karibibite as an alteration of loellingite. Czechoslovakia Paulingite |  | | Catalog/List | | breccia. With some green Brochantite too. This is an old specimen that I recently found in the Hilary Corke...Santa Fe. New Mexico. Hansonberg District Socorro County New Mexico £25 3 DANBURITE single ,sharp, chesil...orange flakes in Ix I plastic box. Lehrte, Hanover. Lower Saxony Germany £7 7. EUDIALYTE bright pink masses...cavities up to one inch size. near Little Lake, Inyo County California large 2x3 £17 Ix2 £7 I 2. EPIDOTE good...short-wave FLUORESCENT white . Yellow Pine rine, Clark County Nevada USA 2x 1.5 £8 N'~is..j CALCITE excellent |  | | Journal (article/letter/editorial) | | geology, and there is no more interesting area in the county than that surrounding the Dartmoor granite mass...obtained "will, it is hoped, be of service, if only as an indication of what is to be found. M I. EAST OKEHENT...Geological Society on the Meldon area, of which only an abstract has yet appeared. Downloaded from https://www...impure shales, of which an artificial exposure is afforded by an old quarry near the river on the left...the microscope. They appear, however, to represent an initial stage in the productionof the chiastolite-bearing |  | | Journal (article/letter/editorial) | | reference line (NHRL). The data indicate absence of an old crustal component as reflected in the high 207Pb/204Pb...reflecting a distinct and variably rejuvenated lower Hercynian basement. The 87Sr/86Sr ratios of 0.7033...residual amphibole and phlogopite. The data suggest an origin of the melilitites from a chemical boundary...boundary layer very recently enriched by melts from old OIB sources. We suggest that the OIB-like mantle domains...represent low-temperature melting heterogeneities in an upwelling asthenosphere under western Europe. Introduction |  | | Journal (article/letter/editorial) | | off northwestern France but, in addition to these, old ( ~ 2-3 Ga) model ages are found along the southern...southern margin of the fold belt. These do not identify old inliers but are interpreted to represent Archeanearly...termed the Hercynian orogeny. The orogen comprises an east-west trending belt through central Europe extending...indications for a more extensive role involving old Precambrian crust in central Europe. The first comes...Todt and Busch 1981, Van Breemen etal. 1982) have lower intersections with the concordia curve that give |  | | Book | | combination of space for growth, sufficient time and an adequate supply of chemical nutrients. Well-formed...In the larger open spaces, the crystals can reach an impressive size. Among the many minerals found within...zeolites. Calcite (septarian nodule), San Juan County, Utah, USA * 18 x 24x Bem 14 | MINERALS: PRODUCTS...carbonate. Geologists can figure out how quickly an igneous rock formed by the calcium carbonate can...of its crystals. If the magma has escaped from in an ocean evaporates, the chemicals in the remaining |  | | Journal (article/letter/editorial) | | the Moravian zone. The range c. 340–335 Ma is the lower limit for completion of tectonic activity in the...of the early granitoid types took place in the lower crust in connection with the Hercynian high-grade...overprint, which is best demonstrated by a widespread cordierite gneiss. Key words: Austria; continent–continent...retrogression. I N T RO DU C TI O N In the last two decades an increasing volume of data about the Moldanubian zone...following sections, these rocks were derived from the lower crust and are exposed at the highest levels of the |  | | Journal (article/letter/editorial) | | Two Point claim, Pikes Peak batholith, Teller County. The Collector’s Edge specimen, Jeff Scovil photo...of the state’s best-known mineral localities, with an emphasis on those that are, or have been in the recent...three major editions between 1958 and 1972 (plus an earlier, 1951 version with a slightly different title)... the book was totally revised and republished as an enlarged, hardbound volume with color plates by a...(Chronic and Williams 2002); Dr. Peter J. Modreski, an executive editor of Rocks & Minerals, is a geochemist |  | | Report (edition) | | cm tall; gem weighs 2 carats. From the Havey Quarry, Poland, MaifJ. e. Photo copyright 1995 by Wendell...on quartz crystals, 24 x JO mm;Jrom the Bennett Quarry, Buckfield, Maine. Mined in 1996 by Holden !Jrothers...much information on collecting sites in Oxford County. Numerous other collectors of Maine minerals also...Supplemental labels were added where necessary to show quarry sites, road names, and other useful landmarks....homework before starting out to the field, and develop an alternative itinerary in case the preferred locality |  | | Book (volume) | | to genetic characteristics might be possible. Such an organization would put the deposits of the nickel-copper...in alphabetical order. The only two deposits in Poland worthy o f separate treatment are so diverse in...as to make it reasonable to present them also in an alphabetical arrangement. The organization of the...Scotland 3 7 1 Wales Norway Sweden 1 7 17 Finland Poland USSR 12 2 30. These 80 do not include the four...complexity of sulfide minerals that must require an intimate and continued association o f the various |  | | Catalog/List | | Telemark Norway £ I 0 ✓10. LEPIDOLITE AND MUSCOVITE an interesting piece showing golden muscovite and mauve...21. CORDIERITE/ILMENITE nice cut and polished specimen with blue and green-grey pods of Cordierite and...small stilbite crystals 3x2 inches £25 Wagholi Quarry, Poona ,India 23. EUDIALYTE really excellent display...red-brown coating on 2x2 matrix Christmas Mine, Gila County Arizona USA £12 26. SPHALERITE lustrous black crystals...some slight dame which is not obvious. Boyleston Quarry Glasgow, Scotland £9 28. BARYTES cut and polished |  | | Report (chapter) | | growth of ilmenite, Mn-rich garnet, chloritoid and cordierite in muddy facies in the Manx Group, occurred after...northeast-southwest along the central part of the island. Cordierite is developed in the mudrocks of the Injebreck...subsidence relative to the elevated central tracts. The Lower Palaeozoic rocks of the Isle of Man are dominated...Armorica on the southem edge of Avalonia may have been an important factor. Relationships between metamorphism...Previous studies The metamorphic history of the Lower Palaeozoic rocks of the Isle of Man has been the |  | | Book (edition) | | from the Principal Localities in the Middlesex County Region in Connecticut Unclassified Material Page...Directions to the Mineral Localities in the Middlesex County Region in Connecticut .... Additional Locality...Characteristics of Manganfluorapatite in Connecticut . . . Old Tungsten Mine and Topaz Prospect Long Hill, Trumbull...localities of Connecticut, an extensive survey of the minerals of Canaan, Connecticut, and an elaborate series...booklet devoted to the mineralogy of the Middlesex County region. Invaluable assistance in preparing the |  | | Journal (issue) | | are both readable and lavishly Gemmology as an Gemmology as an and lavishly illustrated. independent science...world of gemmology and an society dedicated to i society dedicated to gemmology and an the promotion of opportunity...biaxial optic figure obtained by this method from an inclusion in a pink spinel octahedron from Sti Sri...rarely possible to actually grind down a gem to expose an inclusion at the surface for X-ray diffraction diffraction...In short, any information that can be gleaned from an inclusion by means of the microscope is useful in |  | | Journal (article/letter/editorial) | | Vulcan Materials quarry in Racine (Scovil 1994), the pegmatites of Florence County (Koehier 1989) and...ROCKS & MINERALS discoveries. In this respect, old references are valued as prospecting clues, even...provinces are arranged in the overall structure of an arch, with the oldest rocks appearing in the central...branch of the Middle Proterozoic ( 1.1 billion years old) Mid-Continental (Keweenawan) Rift crops out across...Wisconsin. Middle Proterozoic (1.5 billion years old) granitic and syenitic rocks occur in central Wisconsin |  | | Report (issue) | | has replaced geological explanatory memoir. the Old edition Series One-inch appeared in 1890, Sheet...without NE being of which accompanied a hand- by an Small areas overlapping on to Sheet 23 from the...nomenclature, 143. Red beds, 147. CHAPTER X. LOWER CARBONIFEROUS Basement Conglomerate, Limestone...CARBONIFEROUS ROCKS a Hensingham Group, 181; Details, 182. Lower and Middle Goal Measures, 180 CHAPTER 212 187;...References, 245. AppENpix I. List of Fossils from the Lower Carboniferous 5B ee ae 246: APPENDIX II. List |  | | Journal (issue) | | 880729 3 CONTENTS PAGB I. The Portrush Sill, County Antrim, Northern Ireland, by J. R. Hawkes, B.Sc...Tertiary Rhyolite Complex, County Antrim, Northern Ireland, by R. A. Old, B.Sc., Ph.D. . . m. The geology...geology of the Templepatrick area, County Antrim, Northern Ireland, by A. Brandon, B.Sc., Ph.D. and H....geology . . 43 44 46 47 I. THE PORTRUSH SILL, COUNTY ANTRIM, NORTHERN IRELAND BY J. R. HAWK.ES, B...Although the body can be described in general terms as an ophitic olivine-dolerite, distinctive textural features |
|
