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Plagioclase from
Island Mine, Alstead, Cheshire County, New Hampshire, USA


Locality type:Mine
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Island Mine, Alstead, Cheshire County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:653491
Long-form Identifier:1:3:653491:2
GUID (UUID V4):79fb6622-d516-481d-97c5-7a2024bc921b
Nearest other occurrences of Plagioclase
0.2km (0.1 miles) Burroughs beryl prospect, Alstead, Cheshire County, New Hampshire, USA
0.5km (0.3 miles) French Mine, Alstead, Cheshire County, New Hampshire, USA
0.6km (0.3 miles) Blister Mine, Alstead, Cheshire County, New Hampshire, USA
1.0km (0.6 miles) Big Mine, Alstead, Cheshire County, New Hampshire, USA
1.4km (0.9 miles) Nichols Quarry, Gilsum, Cheshire County, New Hampshire, USA
2.3km (1.4 miles) Britton Quarry, Alstead, Cheshire County, New Hampshire, USA
2.7km (1.7 miles) Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
4.9km (3.1 miles) White Quarry, Gilsum, Cheshire County, New Hampshire, USA
5.5km (3.4 miles) Kirk No. 1 Quarry, Gilsum, Cheshire County, New Hampshire, USA
16.2km (10.1 miles) Osgood Graphite Mine, Nelson, Cheshire County, New Hampshire, USA
References
Reference Search (possible matching items)
Report (volume)
Bulletin 931-P MICA-BEARING PEGMATITES OF NEW HAMPSHIRE A PRELIMINARY REPORT BY J. C. OLSON Strategic...district...................................... Alstead area, Keene district......................... Mica-bearing...Plate 61. Geologic map of the Alstead area, Keene district , New Hampshire........................ 62....and feldspar mines of the Grafton district, New Hampshire ....................................... 63o...of the Keene district, New Hampshire.. Figure 38. Index map of New Hampshire showing locations of the
Report (issue)
given in New Hampshire by Samuel Cordick, superintendent of the General Electric Co.'s mine; Andrew T...Mica Products Co.; C. W. Bryant, of the Standard mine; L. R. Brown, of Canaan; G. N. Bicker, of Canaan...general information on a number of mines in Grafton County and extended other kindnesses; M. M. Kilton, of...Leon Alien, of Keene; and Edward Howard, of East Alstead; in Virginia by P. Lippert and Capt. McCray, of...large sheet mica. The average price paid for run of mine mica, not split or sorted, ranges from $50 to $200
Journal (article/letter/editorial)
cm long), Beebe Hall, McCain Valley, San Diego County, California. Cal and Kerith Graeber specimen; Jeffrey...elongated crystals that are rooted in the microcline-plagioclase-quartz wall zone Downloaded by [] at 04:12...May 2015 Figure 3. Aquamarine (4.1 cm long), Mack mine, Rincon, California. Bill Larsen specimen; Jeffrey...Aquamarine (6.7 cm long), Mount Antero, Chaffee County, Colorado. Martin Zinn specimen; Jeffrey Scovil...Aquamarine (8.8 cm long), Black Panther mine, Riverside County, California. Bill Larsen specimen; Jeffrey
Journal (article/letter/editorial)
found at the Palermo Quarry, North Groton, New Hampshire. Crystals to 150 pounds in weight have been...and Rumford, Maine; Alstead, Gilsum, and Springfield, New Hampshire; Bedford, New York; the Scott and...been found at Red Hill, Maine; North Groton, New Hampshire, and from Pala, Rincón, and Mesa Grande, California...crystal localities are near Milan and Berlin, New Hampshire; Deer Hill, Maine; near Statesville, North Carolina;...Carolina; at Amelia, Virginia, near Clayton, Rabun county, Georgia; etc. The old localities near West Chester
Field Trip Notes
//' . GUIDEBOOK FOR FIELD IN ''fy,.'t:J TRIPS NEW ENGLAND NOVEMBER 10-12, 1952 Organized by the...Before visiting any of the sites described in the New England Intercollegiate Geological Conference guidebooks...Highlands of East-Central New York, Southern Vermont, and Southern New Hampshire Field Trip No. 2, Outstanding...Outstanding pegmatites of Maine and New Hampshire 73 Geology of the "Chelmsford Granite" 103 Field Trip...OF EAST-CENTRAL NEW YORK, SOUTHER Leaders: VERJ-IONT, AND SOUTHERN NEW HAMPSHIRE Marland P, Billings
Journal (article/letter/editorial)
Knoxville] at 14:35 04 June 2016 New York City, New York County, New York State T he minerals of the...nominated. However, with this issue’s emphasis on New York minerals and the presence of America’s largest...hard-rock garnet mines within its borders, a famous New York garnet specimen has been chosen for this issue’s...Choice piece. Moreover, garnet was designated as New York’s official state gemstone in 1969. Almandine...representative of a garnet from Deshong’s quarry, Delaware County, Pennsylvania, that can barely be considered almandine
Report (issue)
Pegmatite Investigations 1942-45 New England By EUGENE N. CAMERON and OTHERS GEOLOGICAL SURVEY PROFESSIONAL..._______ _ Geology of the pegmatite districts of New Hampshire_ Rock units ________________________________...quality __ AnalyHis of the wartime mica industry of New England ________________________________________...Androscoggin County ______________________ _ Berry feldspar quarry __________________ _ Cumberland County ___...LaChance mines _______________________ _ Oxford County ____________________________ _ Barrett beryl prospect
Report (issue)
rocks of New Hampshire ....... 44 Table 9 Uranium occurrences in non-sedimentary rocks of New Jersey ...Uranium occurrences in non-sedimentary rocks of New York ........... 56 Table 11 Uranium occurrences...Uranium occurrences in non-sedimentary rocks of Rhode Island ....... 83 Table 14 Uranium occurrences in non-sedimentary...Uranium occurrences in non-sedimentary rocks of New Hampshire.......................^..^.i....48 Figure 12...Uranium occurrences in non-sedimentary rocks of New Jersey....................................55 Figure
Report (issue)
AmmonoosU;c Volcanics of the Bronson Hill Anticlinorium, New England Appalachians U.S. GEOLOGICAL SURVEY PROFESSIONAL...Ammonoosuc Volcanics of the Bronson Hill Anticlinorium, New England Appalachians By GERHARD W. LEO U.S. GEOLOGICAL...oceanic-continental volcanic arc in west-central New England UNITED STATES GOVERNMENT PRINTING OFFICE...Ammonoosuc Volcanics of the Bronson Hill Anticlinorium, New England Appalachians I by Gerhard W. Leo p. em. -...Docs. no.: I 19.19:1516 1. Intrusions (Geology)-New England Region. 2. Geology, Stratigraphic-Ordovician
Report (issue)
REGION 1 Connecticut Maine Massachusetts New Hampshire Rhode Island Vermont OPEN-FILE REPORT 93-292-A Prepared...1 Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont R. Randall Schumann EDITOR...Preliminary Geologic Radon Potential Assessment of New Hampshire Linda C.S. Gundersen andR. Randall Schumann...Preliminary Geologic Radon Potential Assessment of Rhode Island Linda C.S. Gundersen andR. Randall Schumann 191...directed to develop model standards and techniques for new building construction that would provide adequate
Book (volume)
MODIFIED DRIFT By WARREN ae OF GLACIAL IN NEW HAMPSHIRE. UPHAM, DRIFT. APPENDIX II. TO PARTS ...INTRODUCTION, . . . . .. THE MINERALOGY OF NEW HAMPSHIRE, LITHOLOGY, INDEX TO PART IV, APPENDIX, Part...Rockingham, Vt., 3 : 18, Section in Bridgewater and New Hampton, 19, Section in Concord, Fig. 20, Section...Section at the tin mine, Jackson, . . : : A : . . 67 Fig. 7, Map of the Warren mine, . CHARTS Holland’s...of IN THE 14-16 ATLAS. New Hampshire—/ac-szmle, reduced. New Hampshire—/ac-simzle, half size. Two
Journal (issue)
you wish to receive a copy. Please request our new arrivals list Dealers in: • rare minerals • fine... Paul Brian Moore Wyllieite, Na2Fe2AI(P04)3, A New Species........ Paul B. Moore Jun Ito Richard V...Scarsdale, New York, measures 8-1/2 by 10 inches. Photograph by HenriJansen, Ardsley,New York. Editorial...appointment Tourmaline Tourmaline Queen Mine Pala, California NEW ACQUISITIONS: RUTILE from Graves M tn...TOURMALINE from Pala, California We w ill offer fine new material from Europe and A frica fo llo w in g our
Report (volume)
Bulletin 597 GEOLOGY OF MASSACHUSETTS AND RHODE ISLAND BY B. K. EMERSON WASHINGTON GOVERNMENT PRINTING....................................... Worcester County, Mass....................................... Westboro........................................... Rhode Island............................................................................................... Cheshire quartzite............................................................................... Rhode Island formation ....................................
Report (volume)
stratigraphic section through the northern Newark basin, New Jersey 19 By MichaelS. Fedosh and Joseph P. Smoot...Mesozoic rocks of the northern Newark basin, New Jersey and New York 31 By R.A. Parker, H.F. Houghton, and...Palisades siii to the lava flows at Ladentown, New York, based on new core data 113 By Nicholas M. Ratcliffe...Palisades sheet: Further evidence from Weehawken, New Jersey 13S By David N. Shirley Significance of major-...variation trends in Mesozoic diabase, west-central New Jersey and eastern Pennsylvania 141 By Jonathan M
Report (issue)
I CONTRIBUTIONS TO THE STRATIGRAPHY OF NEW ENGLAND The Geological Society of America, Inc. Memoir...Memoir 148 Contributions to the Stratigraphy of New England Edited by Lincoln R. Page 1976 The Memoir...Silurian stratigraphy of northeastern Aroostook County, Maine 1 . David C. Roy and Ely Mencher Discussion:...Silurian stratigraphy of northeastern Aroostook County, Maine... Louis Pavlides Lower Devonian Seboomook... H. Pease, Jr. Pre-Silurian stratigraphy of the New London area, southeastern Connecticut ..Richard Goldsmith
Report (issue)
DEPOSITS, BATHURST AREA, N.B., CANADA AND WEST-CENTRAL NEW ENGLAND, U.S.A. Editor : D.F. Sangster Co-sponsors...guide the reader through the famous Bathurst area, New Brunswick, site of the largest known concentration...discovery in the Bathurst region. In west-central New England, Slack and co-workers describe the old Elizabeth...Appalachians. The authors also entice the reader with new interpretations relating stratabound Mn(-Fe) deposits...well-documented in the Bathurst district. The road-log through New England invites the reader to conduct a do-it-yourself
Report (issue)
QUADRAM3LES, CONNECTICUT by Crawford E. Fritts New data concerning the geologic structure, stratigraphy...mirror-image of metamorphic zones in Dutchess County, New York. However, garnet appeared before biotite...tilting and faulting in Late Triassic time. The New Haven Arkose of the Newark Group was deposited unconformably...General statements............................... s New Haven Arkose................................. 99...) ROCKS Continued Sedimentary rocks Continued / New Haven Arkose Continued Page Origin..............
Journal (article/letter/editorial)
01862 LUORITE DEPOSITS OF WESTMORELAND, NEW HAMPSHIRE N E W H A M P S H I R E , W E L L K N O W N...southwest New Hampshire near the Connecticut River, approximately 15 miles west of Keene in Cheshire County...posed. Figure 3: Location map, Westmoreland, New Hampshire, fluorite district. Figure 2 (left): Stoddard...plate of 1.25-cm-long quartz crystals, William Wise mine. Robert Whitmore specimen; photograph by Gerald...fluorite de­ posits appear to be in treatises on New Hampshire geology by Jackson (1844) and Hitchcock (1878);
Journal (volume)
News Vermont Geology volume 2 Fossil of the Quarter New PublicationS Order Blank-Vermont Geology PAGE 2...Paul Myrow: A paleoenvironmental analysis of the Cheshire Formation in west central Vermont ..............Environments of deposition in Crown Point section, New York . . . . . . . . 12:00 Lunch (brown tag) * ...of the north end of the Middlebury synclinorium, New Haven, Vermont Nathaniel Wilson: Structure and stratigraphy...ENVIRONMENTS OF DEPOSITION IN CROWN POINT SECTION, NEW YORK Bonzi, Judith, Department of Geology, Middlebury
Report (volume)
General features____________________________ Coosa County _________ ____________________ Randolph County...Cherokee County_____________________________ 72 Elbert County _____________________________ 75 Hall County__...County_______________________________ 76 Hart County. ___ __ __________________ 77, Lumpkin and Union counti...___________ S3 Pickens County _______-______________________ 83 Rabun County-_____________________________...____________ 86 Troup County ________________________________ 86 Upson County _______________________________
Journal (volume)
. State Geologist's Report . . . . . . . . . . New Publications Erratum ................... Meetings...Shelley F. Snyder VGS BUSINESS & NEWS NEW MEKBERS The following are new memers, accepted by the Executive...garnet-. clinopyroxene- plagioclase- quartz and garnet-. orthopyroxene- plagioclase- quartz assemblages respectively...amphibole.-biotite coronas and spinel-clouded plagioclase. Major and trace-element concentrations reveal...and K2O) that are due to the accumulation of plagioclase in both the metagabbro and the anorthosite. In
Book
localities. My fond hope is that someone of the new generation will take up the challenge of revising...futile effort to reopen the former Chipman silver mine in Newbury. A brief exploratory foray into the Berkshires...companies led to a survey of the former Davis copper mine in Rowe, but that effort was abandoned, according...tantalizing find, one of several mineral discoveries in New England since the 1970s, including gold in a state... enough was found recently to warrant opening a mine. Hon's advice: "It is worth pursuing." Gleba, who
Report (volume)
the current-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Prices...Alaska Distribution Section, U.S. Geological Survey New Federal Building - Box 12 101 Twelfth Ave., Fairbanks...Alaska-New Federal Bldg., 101 Twelfth Ave. Summary Results of the Glens Falls CUSMAP Project, New York...York, Vermont, and New Hampshire U.S. GEOLOGICAL SURVEY BULLETIN 1887 Summary Results of the Glens Falls...Falls CUSMAP Project, New York, Vermont, and New Hampshire Edited by JOHN F. SLACK Geologic, geophysical
Journal (issue)
Giazotto, photo by Claus Hedegaard. News from Pakistan New Finds and Information Dudley Blauwet Mountain Minerals...from hat down to local sandals, and I bought my new tinted glasses to shade my blue eyes, though everyone...much alone. The one exception. they closed down the new emerald mines in Laghman Province. as they were close...Northern Alliance. They also took control of the ruby mine over the past year, and tried to lease it. They...for shutting down work. Another Afghan had some new nice gemmy lustrous yellow kunzite Crom Waigon. Laghman
Report (issue)
Site Number, Site Name ...................... 6 County, State, Quadrangle, Latitude, Longitude .........Occurrences located north of the Hartford basin, New Hampshire ...................... .67 B. Section B: Occurrences...Section D: Occurrences located in the Newark basin, New Jersey . .99 E. Section E: Occurrences located in...location ( county, state, quadrangle, latitude, and longitude) 2. deposit size (occurrence type - mine, prospect...south and east to west. The most prevalent name of a mine or prospect which was used in reference descriptions
 
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