 | | Report (chapter) | | Acadian metamorphism in central Massachusetts and south-western New Hampshire: evidence for contrasting P...for the Acadian metamorphic high in central Massachusetts within which changes in phase composition and...Devonian (Emsian) sedimentation in central Massachusetts. The involvement of Lower Devonian sedimentary...S r ages from four representatives of the New Hampshire Plutonic Series (Lyons & Livingston 1979) indicate...11 Ma (Lyons & Livingston 1979). In central Massachusetts, folds of the earlier phases of Acadian deformation |  | | Journal (article/letter/editorial) | | amphibolite and lower granulite facies, central Massachusetts, USA Renate Schumacher Institut ffir Mineralogie...in the Acadian metamorphic high of central Massachusetts, USA. Across the region, peak metamorphic conditions...Fe-Mg amphiboles from central Massachusetts and southwestern New Hampshire (Robinson and Jaffe 1969; J...of the Acadian metamorphic high of central Massachusetts. The calcic amphiboles coexist with epidotegroup...determination using an empiri- 197 .H., ! Q! HAMPSHIRE i" N~ YOI Ii i NEWYORKCITY ' t ' A / Legend |  | | Journal (article/letter/editorial) | | used, followirg the procedure outlined by Reed and Ware (1973). Because of intergrowths, fine grMnsize and...amphiboles with smaU amounts of alumina occur, the term gedrite is used, and anthophyllite is restricted to alumina-free...cordierite breakdown curve Mg-cordierite ~- Mg-gedrite~kyanite-~ quartz would be rather flat and positive...Reactions in Other Metamorphic Terrains Cordierite-gedrite (or aluminous anthophyllite)-kyanite (or sillimanite)-bearing...kyanite-sillimanite boundary also explains the association of gedrite with either kyanite or sillimanite (Robinson and |  | | Journal (article/letter/editorial) | | Department of Geology and Geography,University of Massachusetts,Amherst, Massachusetts01003, U.S.A. Prrnn J...and overturned gneiss domes in west-central Massachusetts. Metamorphic studies show different P-Tpaths...these rocks in Massachusettsand southern New Hampshire obtained from U-Pb in zircon (Tucker and Robinson...Robinson, 1990). In Massachusettsand southwesternNew Hampshire, where the formation ranges in thickness from...near the baseof the formation at Bernardston, Massachusetts(Tucker and Robinson, 1990). Striking in the |  | | Report (volume) | | OTIS SMITH, Director Bulletin 597 GEOLOGY OF MASSACHUSETTS AND RHODE ISLAND BY B. K. EMERSON WASHINGTON....................................... Worcester County, Mass....................................... Westboro...member........................... Northeastern Massachusetts..................................... General..................................... Western Massachusetts...............................................district............................. Eastern Massachusetts............................................ |  | | Book | | MASSACHUSETTS MINERALAND FOSSIL LOCALITIES Compiled by Peter P. Gleba 'I!~·· . \. i r,'"--""'4' I...publication. Peter P. Gleba December 2008 Quincy, Massachusetts Member Boston Mineral Club Reprinted by permission...is some of the most valuable real estate in Massachusetts. Calculating it another way, [Peter Gleba] said...is some of the most valuable real estate in Massachusetts. It has access, it has convenience, it has exposure...window of his car as he passed west of the Massachusetts state lottery offices and saw a spreading rust |  | | Journal (article/letter/editorial) | | the hydration reactions: eordierite -{- water -- gedrite ~- kyanite ~- quartz, and aluminous hypersthene...lamellar twinning) partly hydz.ated to fine-grained gedrite + kyanite + quartz, showing distribution of the...anthophyllite type of amphibole (shown later to be gedrite on the basis of chemical evidence). These aggregates...preferentially) shows that the prismatic grains are gedrite and kyanite and that the vermicular (colonial)...(colonial) intergrowths consist of quartz and gedrite, in some of which amphibole (110} planes predominate. Hydration |  | | Report (chapter) | | region has finegrained orthopyroxene-sillimanite _+ gedrite at the margins; and cordierite-sapphirine boundaries...northern Strangways Range. In this area, kyanite, gedrite and staurolite are corroded and embayed by cordierite...near-isobaric cooling, during which sillimanite, gedrite and staurolite once more formed as fine-grained...Australian National University, using the programs of Ware (1981). Figures were drafted by Marianne Kadar (UNSW) |  | | Journal (article/letter/editorial) | | sedimentary rocks, and felsic ignimbrite of the Ware Group that were deposited at about 1,825–1,810 Ma...and NW F3-trending folds in both the Tanami and Ware Groups. Voluminous granitoids, dominated by I-type...S to SE dipping F4-fold structures of Tanami and Ware Group metasedimentary rocks, many spatially associated...pelitic schists containing andalusite, cordierite, gedrite and/ or garnet (Scrimgeour and Sandiford 1993)...response to uplift in the source area. Ware Group Rocks belonging to the Ware Group crop out most abundantly |  | | Report (volume) | | MINERALOGICAL LEXICON OF FRANKLIN, HAMPSHIRE, AND HAMPDEN COUNTIES MASSACHUSETTS BENJAMIN KENDALL EMEKSON WASHINGTON...Survey, a inineralogical lexicon of Franklin, Hampshire, and Hampden counties, Mass. This lexicon was...Geological A MINERALOGICAL LEXICON OF FRANKLIN, HAMPSHIRE, AND HAMPDEN COUNTIES, MASS. By B. K. EMERSON...within the area of the three river counties in Massachusetts. Each citation from the original documents is...the eastern border of the area find in AVorcester County. TRIASSIC. The Suf/ar Loaf arko*e, or feldspathitf |  | | Journal (article/letter/editorial) | | Archaean inliers comprise the Tanami Group, the Ware Group, and the Mount Charles Formation (Crispe et...of andalusite, cummingtonite, almandine garnet, gedrite, cordierite, hornblende, and sillimanite. Scrimgeour...overprinted by a late prograde assemblage of unoriented gedrite-cordierite. This latter assemblage was used as...distinguished from the FWS by the absence of andalusite, gedrite, and cordierite, and from the HWS by the absence...attained towards the end of, or just after, D3 as gedrite, which is part of the peak metamorphic assemblage |  | | Journal (article/letter/editorial) | | central Massachusetts Rosrnr J. TnecY,'PnrsRRoetusoN, Departmentof Geology,Uniuersityof Massachusetts tts...various metamorphic zonesobservedin central Massachusetts. Zones I and II Metamorphic Zone I is characterizedby...suggestslate-stagecrossing of the pressure-sensitivereactions Gedrite* Sillimanite* Quartz : Cordierite+ HrO (10) and...featuressimilar to those at Gap Mountain, New Hampshire (Rosenfeld, 1969). These may be interpreted as...late-phaseregional tectonicsand gravity in central Massachusetts ( J . B . T h o m p s o n e t a l . , 1 9 6 |  | | Report (issue) | | ^he Bedrock Geology of Massachusetts A. The Pre-Silurian Geology of the Rowe-Hawley Zone B. Stratigraphy...PROFESSIONAL PAPER 1366-A-D The Bedrock Geology of Massachusetts NORMAN L. HATCH, JR., Editor A. The Pre-Silurian...Jr. and Rolfe S. Stanley [etc.] 1. Geology Massachusetts. I. Hatch, Norman L. II. Series: Geological...a companion to the bedrock geologic map of Massachusetts (Zen and others, 1983; hereafter referred to... Geological Survey and the Commonwealth of Massachusetts, which was begun in 1938. They also include |  | | Book (volume) | | 667 Lytton Avenue Palo Alto, California 94301 USA and Canada Blackwell Scientific Publications P. 0...Edinburgh, EH3 6AJ, UK 52 Beacon Street Boston, Massachusetts 02108 107 Barry Street Carlton, Victoria 3053...their thickness; the vibration directions e and ware parallel to the microscope stage. The interference...1.663, 70°-90° Hornblende (A2), 1.666, 85°-90° Gedrite (A2), 1.670, 47°-90° Clinohumite (H2), 1.672, 52°-90°...1.663, 70°-90° Hornblende (A2), 1.666, 85°-90° Gedrite (A2), 1.670, 47°-90° Diopside (P8), 1.672, 58° |  | | Journal (article/letter/editorial) | | performed by EDS and corrected using the PIBS program of Ware (1981). Femc iron contents of garnets and pyroxenes...of uplift is constrained by reaction coronas in gedrite-garnetkyanite rocks from the Diorite Bore Supracrustal...1987. Corona textures between kyanite. garnet and gedrite in meisses from Errabiddy, Western Australia. J...Geological Sociey of Australia, Abstracts, IS, 195. Ware, N. G., 1981. Computer programs and calibration |  | | Journal (volume) | | e~Nadelquarmss. n .. PENTTI ESKOLA, A Pwagenesis of Gedrite and C d g t o n i t e from Isopiia,in Kalvola,...genau vorgenommen werden, wie es wiinschenswert ware. Klar ist nur, dass die Vermoorung, wie auch in...Schlusskatastrophe um 3 m und nicht um m gesunken ware, wie 2-2.5 Verfasser bei seiner Untersuchung ehemaliger...stark beeinflusst worden, dass es ganz unmöglich ware die intrusive Natur der jiingeren Tiefengesteine...Werte. Ftir eine Deutung in der zweiten Richtung ware das mit den Kareliden roh konforme Streichen zn |  | | Journal (volume) | | e~Nadelquarmss. n .. PENTTI ESKOLA, A Pwagenesis of Gedrite and C d g t o n i t e from Isopiia,in Kalvola,...genau vorgenommen werden, wie es wiinschenswert ware. Klar ist nur, dass die Vermoorung, wie auch in...Schlusskatastrophe um 3 m und nicht um m gesunken ware, wie 2-2.5 Verfasser bei seiner Untersuchung ehemaliger...stark beeinflusst worden, dass es ganz unmöglich ware die intrusive Natur der jiingeren Tiefengesteine...Werte. Ftir eine Deutung in der zweiten Richtung ware das mit den Kareliden roh konforme Streichen zn |  | | Book (volume) | | Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken...crystal . Four topaz crystals . Drawing of New Hampshire topaz crystal . A cut topaz . The Little Three...fluorite crystals Cleavages of fluorite A New Hampshire fluorite specimen A smithsonite mass A malachite...in the small cavities in limestone in Herkimer County, New York, only one quartz crystal may be found |  | | Book (volume) | | Green fluorite (121.39 ct), Westmoreland, New Hampshire; blue fluorite (132.12 ct), Illinois; square cut...Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...Cantlin, Ellis, [D; Jeannette B. Carillo, Gem Center USA, EI Paso, TX; Gary Christopher, The Prospectors Cache...Resources, Vancouver, BC; Barbara L. Muntyan, Ouray County Historical Society, Ouray, CO; Merrill O. Murphy |  | | Book (edition) | | Wollastonite 132 Amphibole group 137 171 Anthophyllite–Gedrite, Cummingtonite– Grunerite, Tremolite–Ferro-actinolite...Fayalite, Gunflint Iron Formation, Minnesota-Ontario, USA (Floran, R.J. & Papike, J.J., 1978, J. Petrol., 19...altered gabbro, Hunting Hill quarry, Montgomery County, Maryland (Larrabee, D.M., 1969, Bull. US Geol...orthopyroxene, cordierite, corundum, sillimanite, gedrite and biotite. The garnet is typically almandine–pyrope...Staurolite, staurolite-mica schist, Windham, Maine, USA (Juurinen, A., 1956, Ann. Acad. Sci. Fennicae, ser |  | | Report (volume) | | Falls CUSMAP Project, New York, Vermont, and New Hampshire U.S. GEOLOGICAL SURVEY BULLETIN 1887 Summary...Falls CUSMAP Project, New York, Vermont, and New Hampshire Edited by JOHN F. SLACK Geologic, geophysical...Falls CUSMAP project, New York, Vermont, and New Hampshire : geologic, geophysical, and geochemical studies...1° x 2° Quadrangle, New York, Vermont, and New Hampshire James B. Thompson, Jr. CHAPTER B Geology of the...1° x 2° Quadrangle, New York, Vermont, and New Hampshire Howard A. Pohn CHAPTER F Regional Exploration |  | | Book (volume) | | .......................................230 Massachusetts....................................................................................288 New Hampshire ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map .......................................... |  | | Journal (issue) | | the prevalence of enstatite, magnesiohom blende, gedrite or phlogopite, respectively. The sap phirine-bearing...Epidote (chromian) Ferrogedrite Garnet (group) Gedrite Godlevskite Goethite Grandidierite Graphite Heazlewoodite...above-mentioned enstatite, magnesiohornblende, gedrite or phlogopite. Most often sap phirine occurs in...rich in tschermakitic amphibole associated with gedrite (brownish), sapphirine (blue), plagioclase and...Anthophyllite (M g,Fe+2)7Si80 22(0 H )2 Anthophyllite-gedrite masses are common in some of the supra crustal |  | | Book (edition) | | abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado...titanite, etc. In rich masses at Pelham, Hampshire co., Massachusetts, in very broad blades with talc at Chester...Plat., Malawi, G 10 17 River Formation in Uintah County, Utah. Deer et al., v. 2A,483, 1997. Aenigmatite |  | | Report (volume) | | of Kentucky Geol. Survey County Rept. - Kentucky Geological Survey County Report. University of Kentucky...Analysts. Houston, Tex. Los Angeles County Mus. Contr. Sci. - Los Angeles County Museum Contributions in Science...Science. Los Angeles County Museum of Natural History. Los Angeles, Calif. Los Angeles County Mus. Nat. History...History Quart.- Los Angeles County Museum of Natural History Quarterly. Los Angeles, Calif. Louisiana Water...Dartmouth, Nova Scotia, Canada. Maryland Geol. Survey County Geol. Map Geologic Map. Baltimore, Md. Maryland |
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