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Muscovite from
Pratt Quarry, Portland, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Pratt Quarry, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:1414886
Long-form Identifier:1:3:1414886:6
GUID (UUID V4):5d2e5866-bde2-4df9-941b-31a7b3cd232c
Nearest other occurrences of Muscovite
0.1km (0.0 miles) Cape Hall Quarry, Portland, Middlesex County, Connecticut, USA
0.2km (0.1 miles) Unnamed pegmatite prospect #7, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
0.4km (0.3 miles) Unnamed pegmatite prospect #6, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
0.5km (0.3 miles) Howe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
0.5km (0.3 miles) Andrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex County, Connecticut, USA
0.5km (0.3 miles) Simpson prospect #3, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
0.5km (0.3 miles) Unnamed pegmatite prospect #5, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
0.6km (0.4 miles) Simpson prospect #2, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
0.6km (0.4 miles) Simpson prospect #1, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
0.7km (0.4 miles) Howe Quarry #2, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
bornite. MINERAL LOCALITIES IN THE VICINITY TOWN, CONNECTICUT OF MIDDLE- W. G. Fol'e, Wesleyan Unhersity...prospect-holes opened in Middlesex and adjacent portions of Hartford counties, Connecticut, fourteen may be selected...Wesleyan University (Locality 18, Fig. 1). The Connecticut pegmatite dikes are composed of predominating...localities are found in orthogneiss, the Pelton quarry (Locality 4), east of Collins HilI and within the...beryl has been taken (Locality 9) near the Gillette quarry, south of Haddam Neck. These facts attain greater
Report (volume)
Survey's lists. Twenty-five years ago the imports of Portland cement were four times the domestic production...combined production and imports of Portland cement. To-day the Portland cement industry is distributed generally...Colorado.........Prof. R. D. George, Boulder. Connecticut..... .Prof. William N. Rice, Middletown. Prof...Museum, Albany. North Carolina.. .Dr. Joseph Hyde Pratt, Chapel Hill. North Dakota... .Dr. A. G. Leonard...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found
Journal (article/letter/editorial)
Hartfi rd, and Deerfield rift basins, northeastern USA Peter C. van de Kamp a,*, Bernard E. Leake b,c "..." 1750 CabernetLane, St. Helena, CA 94574-1604, USA b Department of Geology andApplied Geology, The University...Passaic Formations in the Newark Basin and in the Portland and East Berlin Formations of the Hartford Basin...Newark and Hartford rift basins of the northeastern USA in the Upper Triassic and Lower Jurassic, soda-tich...the New Haven, Shuttle Meadow, East Berlin and Portland Formations. For this purpose, and building on
Report (volume)
Pegmatites of the Middletown Area Connecticut GEOLOGICAL SU R V EY BULLETIN This report concerns work...GEOLOGY PEGMATITES OF THE MIDDLETOWN AREA, CONNECTICUT By FREDERICK STUGARD, JR. ABSTRACT The pegmatites...Middletown area in Connecticut have been mined almost continuously for feldspar and muscovite mica since about...essentially of perthite, quartz, plagioclase, and muscovite. The common accessories are tourmaline, beryl...characteristics are usually richer in perthite, albite, muscovite, or quartz. The grain size increases from the
Report (volume)
........................................... Connecticut................................................lists. Twenty-five years ago the annual imports of Portland cement were four times the domestic production...combined production and imports of Portland cement. To-day the Portland cement industry is distributed generally...Museum, Albany. North Carolina_.Dr. Joseph Hyde Pratt, Chapel Hill. North Dakota_.Dr. A. G. Leonard, Grand...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found
Journal (article/letter/editorial)
Windsor County.................... 253 254 Talc and Verde Antique Quarry, Stockbridge,Windsor County Williams...Mine, RochesterTownship, Orange County........ ... Verde Antique Quarry, North Hollow, Rochester, Orange...Prospect at Hammondsville, Reading Township, Windsor County .................................................Southwest Corner of Moretown Township, Washington County.................................... Waterbury Mine..."talcoseschist,"forminga narrowstripalongthe Connecticut River,thena narrowbedof clayslate,thena largearea
Journal (article/letter/editorial)
miles long extending from Coosa County thru Talladega and into Calhoun County. Most of the distance it is...Arizona kaersutite comes from Hoover Dam, Mohave County. A % inch black cube of limonite pseudo after pyrite...goldsilver mines at Silverton, San Juan Co., Colo. CONNECTICUT—The following letter, dated May 30, 1954, comes...found at the Swanson Lithia Mine (Haddam Neck, Middlesex Co., Conn.). David Seaman (American Museum of...another one for the American Museum, though the quarry has been posted. I intend to discuss the matter
Journal (article/letter/editorial)
from Stoneham and Vicinity Oxford County, Maine Downloaded by [Penn State University] at 01:41 12 December...Stoneham, Maine—a century apart. Figure 1. Aldrich quarry beryl. Maine Mineral and Gem Museum (MMGM) specimens:...pegmatites, particularly the important Aldrich quarry, with a focus on beryl and its gemmy blue variety...Hills about 80 kilometers (50 miles) northwest of Portland, Maine. The pegmatitebearing area under discussion...org (accessed July 2015). Albite, microcline, muscovite, and quartz are the essential minerals of these
Report (issue)
Perce Counties __________ _ Idaho CountY-----------------Valley CountY-----------------Adams, Payette,...and Gem Counties ________________________ _ Boise County ___ --------------Ada, Owyhee, Elmore, and Custer...Spruce Pine district ____________ Madison County and Haywood County _____________________ _ Zirconia district...monazite belt in the Piedmont province __ Stokes County and Surry County_ Wilkes, Alexander, Catawba, Caldwell...Rutherford County and Cleveland County __ --------------Lincoln County and Gaston County _____________________
Book
including gold in a state forest in central Connecticut last spring. Moreover, similar gold deposits...11ne 2; ••• Amph1bo1ite--see Bolton, Worcester County M1nera1 Loca11t1es. page 85 ••• 11.8 3~ter cerium...•••••••••••••••••'.' •.••.•••• 2--6 Barn.table County ro •• il Localiti ••••••••••••••••••••••••••••...Localit1e•••••••••••••••••••••••••••• 21 Br1.tol County Mineral Localit1 ••••••••••••••••••••••••••••••...24--25 Dukes County Mineral Loeal1tiea •••••••••••••••••••••••••••••• 26--21 Duk •• County Fo.sil Loeal1tie
Report (volume)
SMITH, DIRECTOR BULLETIN 484 THE GRANITES OF CONNECTICUT BY T. NELSON DALE AND HERBERT E. GREGORY Prepared...the Geological and Natural History Survey of Connecticut WASHINGTON GOVERNMENT PRINTING OFFICE 1911 ...discussion____________________._____._ Salient features of Connecticut geology, by Herbert E. Gregory___ Origin, nature...rocks________________.__ __ Granites and granite gneisses of Connecticut, by Herbert E. GregoryName, mineral content,...granitic intrusions_________ ____ 24 Age of the Connecticut granites________ __ _ __ 25 Structure, rock variations
Journal (issue)
Ai OUTONOTYOLIONOTIOVIONOTTOM PIT AND Tramp QUARRY iron cannot pass (CRUSH rene tiet iron cannot...Mercantile Cleveland 412 Auditorium Bldg. Bank Portland, Ore. Salt Lake City Library Bldg. Denver 1718...the operations of this company at New Britain, Connecticut. Motion of Calcium Crtorides om Comionta......St., Chicago, Ill. Publishers of PIT AND HARRY QUARRY W. BAUMGARTNER, V. E. LARSEN, S. E. COLE, 90...Representative Street, New Ph. Rector York 1166 QUARRY President HANDBOOK HAROLD JAMES GEORGE F. A
Report (volume)
ine sequence, Lower Jurassic Portland Formation, Suffield, Connecticut 24 By Nicholas G. McDonald and...maturation indices of organic matter 58 By Lisa M. Pratt, C.A. Shaw, and Robert C. Burruss Source of kerogen...generation and migration in basins 74 By Lisa M. Pratt and Robert C. Burruss th~ Hartford and Newark...sequence in the Jurassic Portland Formation of the Hartford basin in Connecticut. They interpret this sequence...shoreline deposits of lacustrine units in the Portland Formation along the abrupt eastern margin of the
Report (issue)
New England, Introduction ..............102 Connecticut ...............................................Worthington (1962), some of them very old, for example, Pratt and Lewis (1905). Deposits cited only once in an...Thus, it has dioctahedral structure analogous to muscovite. Pyrophyllite and talc have many similar properties...Washington (part), Alabama, North Carolina, Virginia, Connecticut, Massachusetts, and Maine. 19 California California...Mountains-Northern Panamint Range District Inyo County The Inyo Mountains and Panamint Range in the Basin
Book (edition)
mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior
Report (issue)
Island) New York City .... . 12 Smoky Quartz and Muscovite, Manhattan Island, New York City . 13 Quartz,............................... 22 Spinel, Orange County, N. Y........................................................................................ Muscovite, Manhattan Island, New York City................Feldspar Quarry (waste pile), Bedford, N. Y.............................. Kinkcl Feldspar Quarry, Bedford...Kinkel Feldspar Quarry (concentric structure), Bedford, N. Y. . Kinkcl Feldspar Quarry (worked out cavity)
Book
Co. Hematite CALERA, Shelby Co. Wavkllite CLAY COUNTY, Sec. 24. T. 19 S R., 7 E. STATUARY, Coosa Co...Co., (W. border of* Marble Crystalline TALLADEGA COUNTY Marble, (crystalline) VALLEY HEAD, DeKalb Co. Hematite...Feldspar HISSOP, Coosa Co., (near) Beryl JACKSON COUNTY Hematite KENNEDYS, Clay Co., (near) Magnetite MILLERVILLE...(near) Feldspar OAK BOWERY, Chambers Co. Magnetite PRATT FERRY, Bibb Co., (near) Verigated Marble ROCK RUN...DELANEY, Madison Co. Quartz, (clear crystals) GARLAND COUNTY Quartz Crystals HOT SPRINGS, Garland Co. Malachite
Report (issue)
zones in the central part of the State are the Connecticut Valley and Merrimack "belts" of primarily Silurian...Mesozoic "basins" unconformably overlie the Connecticut Valley belt. For some packages, all aspects of...^^--^-^ .~~^ ^ - 8 - IH M i D DEVONIAN Connecticut Volley belt Merrimack belt ^ chapter G -f 3...and others (1984, fig. 1). PREFACE | 1 | CONNECTICUT VALLEY BELT . . J^ 1. . Conn. Valley belt above...Norman L. Hatch, Jr. (B) Stratigraphy of the Connecticut Valley belt, by Norman L. Hatch, Jr., Peter Robinson
Journal (article/letter/editorial)
float) at Sand Mountain, Clark, Routt Co., Colo. CONNECTICUT — A letter, dated Aug. 7, 1953, comes from Walter...of it reads :— "I will report on my trip to Connecticut and my visit with Richard Schooner of East Hampton... First we visited the famed Strickland Quarry (near Portland, Conn.) which is being worked presently... Since all the water has been drained from the quarry, one won't believe the gigantic hole that was left...actually visits the place. We then visited the Hale quarry in search of manganese dentrites which were 576
Report (issue)
.................................. 12 Cape May County.................................................................................. 12 Cumberland County.................................................................................... 12 Atlantic County....................................................................................... 14 Ocean County.................................................................................... 14 Monmouth County...............................................
Journal (article/letter/editorial)
the old open pit Sodium Sulphate mine in Imperial County near BertROCKS AND MINERALS ram siding on the...Calumet iron mine area of Chaffee Co., Colo. CONNECTICUT — "The following note, dated April 16, 1959,...other side of Cheshire there is a deserted trap quarry where I found rather nice natrolite, although in...discovery of gold on lot 999, 12th district, of Lumpkin County, Ga., which is owned by the American Legion. The...unusual specimen was found in a plowed field in Henry County, Iowa. KANSAS—Larry Davis, 617 East Ave. B, Hutchinson
Report (issue)
(CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...exceptionally fine, twinned analcite crystals from Houghton County ························-··-······-··-········...····· 41 2. Ankerite on siderite from Alpena County ···-··············-··················· 46 3....stalactitic limonite from Negaunee in Marquette County .................................................(Hexagonaria percarinata) of calcite from Charlevoix County .. ..... .. ....... ...... .. ...............
Book (volume)
publisher. Cover photograph: Fluorapatite, Pulsifer quarry, Auburn, Maine (2.2 cm specimen), Harvard Mineralogical...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...gem-producing areas in the United States, admittedly. Connecticut has produced a few tourmalines, aquamarines,...clear to slightly blue topazes. However, San Diego County, California, is arguably the most important gem-pegmatite
Book
....243 APPENDIX II: MINERAL SPECIES LISTED BY COUNTY ...............................248 ABOUT THE AUTHORS...Marquette County include the Presque Isle body, the Yellow Dog body in the northern part of the county, and...Ishpeming. Several bodies also occur in Dickinson County near the mouth of the Sturgeon River. A distinctive...ilmenite lizardite mackinawite magnetite millerite muscovite pentlandite pyrite pyrrhotite talc Table3: Mineralsfound...outcrops in the SW¼ section 27, T44N, R31W, Iron County, about 1.6 kilometers west of Lake Ellen, and about
Book (volume)
beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE:  area ridges, slopes, stream beds...Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles...minesColumbite, Gold, Silver, etc.; and (2) Old Marble Quarry on the Needles Hwy. 5.5 mi. NEScheelite, and deep
 
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