| Locality type: | Quarry |
| Classification |
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| Species: | 'Plagioclase' (not an IMA approved species) |
| Formula: | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Plagioclase data |
| Locality Data: | Click here to view Masons Island Quarry, Stonington, New London County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 720294 |
| Long-form Identifier: | 1:3:720294:0 |
| GUID (UUID V4): | 2ee16d3b-32bd-4f2e-bb5b-5446051e42aa |
| Nearest other occurrences of Plagioclase |
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| 30.4km (18.9 miles) | ⓘSalem, New London County, Connecticut, USA |
| 44.8km (27.8 miles) | ⓘUltramafic rock bodies, Haddam, Middlesex County, Connecticut, USA |
| 50.1km (31.1 miles) | ⓘLinkpot cut, Airline Railroad, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 68.0km (42.3 miles) | ⓘCamptonite dike, Middlefield, Middlesex County, Connecticut, USA |
| 73.2km (45.5 miles) | ⓘInterstate highway 295 & State Route 7 intersection, Smithfield, Providence County, Rhode Island, USA |
| 76.3km (47.4 miles) | ⓘSpring Lake, Harrisville, Burrillville, Providence County, Rhode Island, USA |
| 81.0km (50.3 miles) | ⓘSturbridge Graphite Mine (Tantiusques Mine; Winthrop Lead Mine), Sturbridge, Worcester County, Massachusetts, USA |
| 85.2km (52.9 miles) | ⓘMaple Ridge Drive, Cumberland, Providence County, Rhode Island, USA |
| 92.1km (57.3 miles) | ⓘAggregate Industries Quarry (Wrentham Quarry; Simeone Quarry), Wrentham, Norfolk County, Massachusetts, USA |
| References |
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| Reference Search (possible matching items) |
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 | | 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 (article/letter/editorial) | | s MAP OF SO UTHERN CO NN EC TIC U T AND RHODE ISLAND VO L. 10 1898, PL. 35 BULLETIN OF TH E GEOLOGICAL.............................................. 378 New Brunswick..................................................................................... 378 New Ham pshire..................................................................... 378 Rhode Island and Connecticut.......................................................................... 380 New Y ork...................................................... |  | | Report (volume) | | Director Bulletin 738 THE COMMERCIAL GRANITES OF NEW ENGLAND BY T. NELSON DALE WASHINGTON GOVERNMENT...expansion____^_________________ Geographic distribution of New England granite quarries____ Descriptions of the...___ Groton____________________________ Oriinge County __________________________ Topsham___________________________..._ Randolph ___________________________ Orleans County- _______________________ Derby Barton _ _________...granite and finished product Continued. Washington County _____________________ 121 Barre and Williamstown________________ |  | | Report (volume) | | Miscellaneous Products 87 The Detailed Study of County Resources 87 The Special Investigation of Road...results of the work are of great importance to the county surveyors and others who are engaged in determining...that " it shall be lawful for the county commissioners of each county in the state, if they shall deem...some public spot adjoining the court house of each county two good and substantial stone pillars, 100 feet...provisions for their use by the surveyors in each county. As a result of the work already done by the State |
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