Highway 169 Localities, Marfa, Presidio County, Texas, USAi
| Regional Level Types | |
|---|---|
| Highway 169 Localities | Exploration Area (Near to) |
| Marfa | - not defined - |
| Presidio County | County |
| Texas | State |
| USA | Country |
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Latitude & Longitude (WGS84):
30° North , 104° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Type:
Exploration Area (Near to) - last checked 2022
KΓΆppen climate type:
Mindat Locality ID:
295435
Long-form identifier:
mindat:1:2:295435:9
GUID (UUID V4):
413cc33d-5d83-4580-9e02-3b3584fe68f3
Other/historical names associated with this locality:
Casa Piedra Road
Highway 169, also known as the Casa Piedra Road, extends generally southward from Marfa and passes through the settlement of Plata and continues toward the border with Mexico. Many surficial deposits are scattered in the area, with few specific details general given to specific discoveries. Localities typically consist of unconsolidated materials or alluvial material. Some chalcedony is known to be very highly fluorescent green in short wave and usually appears dull green to not fluorescent in long wave.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
2 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| β Goethite Formula: Ξ±-Fe3+O(OH) References: |
| β 'Manganese Oxides' References: |
| β Quartz Formula: SiO2 References: |
| β Quartz var. Agate References: |
| β Quartz var. Chalcedony Formula: SiO2 References: |
| β Quartz var. Moss Agate Formula: SiO2 References: |
| β Quartz var. Plume Agate Formula: SiO2 References: |
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| β | Goethite | 4.00. | Ξ±-Fe3+O(OH) |
| β | Quartz var. Agate | 4.DA.05 | SiO2 |
| β | var. Chalcedony | 4.DA.05 | SiO2 |
| β | var. Moss Agate | 4.DA.05 | SiO2 |
| β | 4.DA.05 | SiO2 | |
| β | var. Plume Agate | 4.DA.05 | SiO2 |
| Unclassified | |||
| β | 'Manganese Oxides' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Goethite | Ξ±-Fe3+O(OH) |
| O | Oxygen | |
| O | β Quartz var. Chalcedony | SiO2 |
| O | β Goethite | Ξ±-Fe3+O(OH) |
| O | β Quartz var. Moss Agate | SiO2 |
| O | β Quartz | SiO2 |
| O | β Quartz var. Plume Agate | SiO2 |
| Si | Silicon | |
| Si | β Quartz var. Chalcedony | SiO2 |
| Si | β Quartz var. Moss Agate | SiO2 |
| Si | β Quartz | SiO2 |
| Si | β Quartz var. Plume Agate | SiO2 |
| Fe | Iron | |
| Fe | β Goethite | Ξ±-Fe3+O(OH) |
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Marathon-Marfa BasinsBasin
- Shawnee DomainDomain
- Tascotal BasinBasin
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Highway 169 Localities, Marfa, Presidio County, Texas, USA