Marriottsville flagstone Quarries, Baltimore County, Maryland, USAi
| Regional Level Types | |
|---|---|
| Marriottsville flagstone Quarries | Quarry (Flooded) |
| Baltimore County | County |
| Maryland | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 22' 24'' North , 76° 51' 48'' West
Latitude & Longitude (decimal):
Type:
Quarry (Flooded) - last checked 2021
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Randallstown | 32,430 (2011) | 5.9km |
| Eldersburg | 30,531 (2011) | 8.2km |
| Milford Mill | 29,042 (2011) | 8.5km |
| Owings Mills | 30,622 (2011) | 8.8km |
| Sykesville | 4,412 (2017) | 9.0km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Central Maryland Rock and Mineral Collectors Exchange | Elkridge, Maryland | 22km |
| Baltimore Mineral Society | Baltimore, Maryland | 23km |
| Chesapeake Gem & Mineral Society | Baltimore, Maryland | 23km |
| Gem Cutters Guild of Baltimore, Inc. | Baltimore, Maryland | 23km |
| Gem, Lapidary, and Mineral Society of Montgomery County, MD., Inc. | Rockville, Maryland | 41km |
In flagstone quarries along Marriottsville Road. In Setters Formation quartzite.
Commodities (Major) - Quartz
Development Status: Past Producer (Piccirilli Quarries)
Commodities (Major) - Quartz
Development Status: Past Producer (Piccirilli Quarries)
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
2 valid minerals.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 References: Bill Cordua collectionIdentified by Bill Cordua: Visual Identification |
| ⓘ Schorl Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 9 - Silicates | |||
|---|---|---|---|
| ⓘ | Schorl | 9.CK.05 | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| B | Boron | |
| B | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | Oxygen | |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Na | Sodium | |
| Na | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Al | Aluminium | |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Si | Silicon | |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Fe | Iron | |
| Fe | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Other Databases
| Link to USGS MRDS: | 10073744 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- PedmontiaAccretionary Complex
- Piedmontia DomainDomain
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Marriottsville flagstone Quarries, Baltimore County, Maryland, USA