 | | Report (issue) | | Geology of the land area of the Boston 2° sheet, Massachusetts, Connecticut, Rhode Island and 10- New Hampshire... 16 17 18 U. S. Geological Survey Boston, Massachusetts 19 ,U. S. Geological Survey* OPEN FILE REPORT...GEOLOGY OF THE LAND AREA OF THE BOSTON 2° SHEET, MASSACHUSETTS, CONNECTICUT, RHODE ISLAND AND NEW HAMPSHIRE...Milford Granite from the Milford quadrangle, Massachusetts, yielded 19 a 620 + 15 my,Precambrian,zircon...13 and includes some albite, biotite, minor hornblende and muscovite and 14 accessory magnetite, sphene |  | Pilote, Jean-Luc, Barr, Sandra M., Wilson, Reginald A., McClenaghan, Sean, Kamo, Sandra, McNicoll, Vicki J., Bevier, Mary Lou (2012) Precise age and petrology of Silurian-Devonian plutons in the Benjamin River – Charlo area, northern New Brunswick. Atlantic Geology, 48. 97-123 doi:10.4138/atlgeol.2012.006 | Journal (article/letter/editorial) | | monzogranite, quartz-plagioclase rhyolite porphyry, hornblende dacite porphyry, and felsite. They intruded calcareous...cross-cutting relationships were observed between the hornblende dacite porphyry (Fig. 3h) and the other units...quartz, plagioclase (An36), biotite, and minor hornblende (Fig. 4b). It is also less 41 altered than the...plagioclase (An44-63), diopside and/or calcic hornblende, magnetite and minor quartz (less than 5%). ...from the hornblende dacite porphyry dyke in the Charlo plutonic suite with flow-oriented hornblende laths |  | | Book (volume) | | greater variety of minerals are found in Oxford County, alone, than anywhere else on Earth of comparable...than Maine's, as well. An area smaller than Oxford County in Murmansk Ob last, Kola Peninsula, Russia, has...clear to slightly blue topazes. However, San Diego County, California, is arguably the most important gem-pegmatite...Pennsylvania Amherst College Library, Amherst, Massachusetts Gail and Victor Blomquist library, Dresden,...Museum Archives, Harvard University, Cambridge, Massachusetts Richard P. Hauck library, Bloomfield, New Jersey |  | | Book (edition) | | File, 1601 Park Lane. Swarthmore, Pennsylvania, USA. Introduction This volume is the third edition...Green River Formation in (TL) Uintah Co .. Utah. USA. Named for P.H. Abelson. 20.7.3 AbernalhJile. K(U00As0...26 A. Z=4 [PDF 1 6-386]. (TL) Temple Mts. Utah. USA. Named for J . Abernathy. Abhurite. S n 30(0HhCl...cxxpoux ' lack of colour·. Achromaite, syn. of hornblende. Amphibole group. F. Krctschmer ( l 9 I 8 for...Var. Nephrite (of Werner). actinolite-asbestos. ferro-tremolite. mangan:ictinolitc. Actinote. syn. of |  | | Book | | more than a minor amount (a few per cent) of hornblende, epidote or other calcareous minerals were excluded...garnet as small (0.5 mm) irregular grains and hornblende occur and distribution in the rock in have... Two (509 [964 044]; 2433 [NO 853 990]) are ferro-hornblendes with Meg/Mg + Fe?+ cation ratios of...56 0.45 0.53 0.68 Ferro- Edenite Magnesio- _ Edenite Ferro- hornblende = Magnesio-hornblendes...Magnesio-hornblendes = — hornblende hornblende 0.82 30 CHAPTER 2 REGIONALLY METAMORPHOSED ROCKS—1 specimens |
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