| GRD00K0S0 |
Anthracite Coal
|
Number 5 coal |
Illinois |
0 |
Ritter 154, 17 L |
| GRD00POS0 |
Lignite
|
lignite coal section through tree trunk; also slabby coal piece (reed impressions?) |
|
0 |
Ritter 154, 17 L |
| GRD00PPS0 |
Lignite
|
lignite coal |
North Dakota |
0 |
Ritter 154, 17 L |
| GRD00V0S0 |
Anthracite Coal
|
anthracite coal, unknown series |
|
0 |
|
| GRD00V2S0 |
Anthracite Coal
|
anthracite coal; multiple small pieces. |
|
0 |
Ritter 154, 17 L |
| GRD01FZS0 |
Organic
|
Coaly layer on overturned Frasnian/Frasnian/Visean contact, Devonian/Mississippian |
Italy |
0 |
|
| GRD020GS0 |
Organic
|
Small fragments of driftwood. Original label: 14 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 A |
| GRD023WS0 |
Organic
|
Small (~4x2x1 cm) rounded piece of driftwood. Worm burrows. Higher density than expected. Original label: 25 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 C |
| GRD023XS0 |
Organic
|
Small (~2x2x1 cm) rounded piece of driftwood. Worm burrows. Higher density than expected. Original label: 25 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 C |
| GRD023YS0 |
Organic
|
Very small (~1x1x2 cm) rounded piece of driftwood. Worm burrows. Higher density than expected. Original label: 25 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 C |
| GRD02XCS0 |
Organic
|
Oil Shale (Kerogen Shale) |
Colorado |
0 |
Ritter 154, 17 L |
| GRD02XSS0 |
Bituminous Coal
|
Likely a refined derivative of petroleum distillation. |
Mexico |
0 |
Ritter 154, 17 L |
| GRD02XTS0 |
Anthracite Coal
|
Straitified anthracitic coal |
Unknown |
0 |
Ritter 154, 17 L |
| GRD042PS0 |
Organic
|
Origin unknown. |
|
0 |
|
