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Trinidad Coal Field, Las Animas County, Colorado, USAi
| Regional Level Types | |
|---|---|
| Trinidad Coal Field | Coal Field |
| Las Animas County | County |
| Colorado | State |
| USA | Country |
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Latitude & Longitude:
37° North , 104° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~105km
Type:
The Raton formation is separable into three general units in this area: a basal conglomerate, a middle coal-bearing unit, and an upper transition zone.
A unit of coal-bearing rocks that comprises the major part of the Raton formation conformably overlies the basal conglomeratic sandstone. This unit, which averages about 1,000 feet in thickness, consists of gray to black shale, light-gray and buff sandstone, and coal. The lithology is similar to that of the Vermejo formation. The shale is mostly nonfissile and has a wide range of sand and carbonaceous content. The most common type of shale is gray, sandy, and slightly carbonaceous, but the types range from medium-gray shale composed of pure clay through sandy shale to shaly sandstone, and through carbonaceous shale to dirty coal. Irregular ironstone concretions occur in the shale. The sandstone beds have a maximum thickness of 40 feet and are more persistent than those in the underlying Vermejo. They are crossbedded and the grains range in size from fine to medium. The grains, well sorted to poorly sorted, consist of quartz, minor amounts of white feldspar and ferromagnesian minerals, and, at places, mica. Cement is calcite and clay; irregular limonite staining is common. Many of the sandstone beds are dense and hard, others are friable. At a few localities, lenses of crossbedded sandstone as much as 100 feet thick fill channels in the underlying rocks. The coal is of bituminous rank and occurs in beds that have a maximum thickness of 6 feet.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded from this region.Mineral List
Mineral list contains entries from the region specified including sub-localities5 valid minerals.
Rock Types Recorded
Rock list contains entries from the region specified including sub-localities
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Albite Formula: Na(AlSi3O8) |
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Graphite Formula: C |
| ⓘ Kaolinite Formula: Al2(Si2O5)(OH)4 |
| ⓘ 'Limonite' |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Graphite | 1.CB.05a | C |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 9 - Silicates | |||
| ⓘ | Kaolinite | 9.ED.05 | Al2(Si2O5)(OH)4 |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Graphite | C |
| O | Oxygen | |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| O | ⓘ Quartz | SiO2 |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Si | ⓘ Quartz | SiO2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
Localities in this Region
- Colorado
- Las Animas County
- Trinidad coal field
- Las Animas County
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Great Plains DomainDomain
- Yavapai TerraneVolcanic Arc
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References
Ludlow Mine, Trinidad coal field, Las Animas County, Colorado, USA