| Id | Identification Type | Name | Description | Distinguishing Features | Tags |
|---|---|---|---|---|---|
| 147 | Contaminant | Lab Dust | contaminant | ||
| 168 | Lithofacies | Laminated sulfidic silt | Describes a lithofacies comprising finely structured clastic sediment with prominent accessory sulfide minerals, especially fine reactive monosulfide (mackinawite).
Distinguished by fine-scale bedding and abundance of opaque minerals; often highly pungent when freshly exposed. |
fine-scale-bedding
pungent |
opaque black pungent reactive diatomaceous |
| 132 | Mineral | Lithic fragment | Wide variety of forms and optical properties. A very small rock made up of one or more minerals. Can be identified by the presence of grain boundaries within a particle. | grain-boundaries |
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