| Locality type: | Quarry |
| Classification |
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| Species: | 'Chlorite Group' (not an IMA approved species) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chlorite Group data |
| Locality Data: | Click here to view McMahon Quarry (Greenspring Quarry), Pikesville, Baltimore County, Maryland, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 201801 |
| Long-form Identifier: | 1:3:201801:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chlorite Group |
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| 2.4km (1.5 miles) | ⓘBare Hills Copper Mine (Smith Avenue Copper Mine), Bare Hills, Baltimore County, Maryland, USA |
| 2.5km (1.6 miles) | ⓘDiscovery workings (Main workings), Bare Hills, Baltimore County, Maryland, USA |
| 2.6km (1.6 miles) | ⓘUnnamed Chromite prospects, Bare Hills, Baltimore County, Maryland, USA |
| 3.5km (2.2 miles) | ⓘAnthophyllite Location, Bare Hills, Baltimore County, Maryland, USA |
| 6.0km (3.7 miles) | ⓘWoodberry Quarry, Woodberry, Baltimore City, Maryland, USA |
| 8.0km (4.9 miles) | ⓘLord Baltimore Drive Quartz occurrence area, Windsor Mill, Baltimore County, Maryland, USA |
| 8.0km (5.0 miles) | ⓘStony Run, Baltimore City, Maryland, USA |
| 9.2km (5.7 miles) | ⓘJones Falls Quarries, Baltimore City, Maryland, USA |
| 9.9km (6.2 miles) | ⓘMartin Marietta Texas Quarry, Cockeysville, Baltimore County, Maryland, USA |
| 10.8km (6.7 miles) | ⓘPatapsco Glen Construction Site, Woodlawn, Baltimore County, Maryland, USA |
| References |
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