| GRD00JTS0 |
Claystone
|
Corsicana formation, approximately 5 meters above TX-20A. |
Texas |
0 |
Ritter 154, 22 E |
| GRD00KFS0 |
Claystone
|
Well lithified claystone containing a few ammonites. Note how fine-grained the matrix is and the tendency for the rock to fracture irregularly. |
Japan |
0 |
Ritter 154, 2 C |
| GRD00OYS0 |
Claystone
|
Calcareous shale. Windom Shale. Middle Devonian |
New York |
1 |
Ritter 154, 17 J |
| GRD00P0S0 |
Claystone
|
Original label: Bentonite at top of Mowry Shale. |
South Dakota |
0 |
Ritter 154, 2 C |
| GRD00P1S0 |
Claystone
|
Original label: Banded argillite from Eggbeater formation, June 1954. |
Nevada |
1 |
Ritter 154, 17 K |
| GRD00P2S0 |
Claystone
|
Original label: Chattanooga shale, Upper Devonian - Lower Mississipian. |
Tennessee |
1 |
Ritter 154, 17 K |
| GRD010BS0 |
Claystone
|
White, powdery claystone. Original label: Heersian marl, below glauconite sandstone, Lower Landenian, 1960. |
Belgium |
1 |
Ritter 154, 17 K |
| GRD01FOS0 |
Claystone
|
Grey posidonia claystone |
United Kingdom |
0 |
Camp Elliott |
| GRD01P7S0 |
Claystone
|
Small sample. Original description: Frible red claystone at top of formation under Dol. Princ. Crops out along trail going south from east end of Meride up to Tremona. |
Switzerland |
0 |
Camp Elliott |
| GRD01U7S0 |
Claystone
|
Small red and green fine-grained hand sample. Billet |
Greece |
1 |
Camp Elliott |
| GRD0270S0 |
Claystone
|
Eight very small, cream-colored, very fine-grained samples. Original label: 30 March, 1975. Type 3. |
Pacific Ocean |
0 |
Ritter 154, 37 F |
| GRD0271S0 |
Claystone
|
Four uncut samples: very fine-grained cream-colored interior with a thick (~2 mm) black and rust-colored rind with a bubbly/mammillary morphology. Original label: 30 March, 1975. |
Pacific Ocean |
0 |
Ritter 154, 37 F |
| GRD02GSS0 |
Claystone
|
Silicified red clay with white lenticular beds. Small sample. Original label: Arg-unit, Calera. |
California |
1 |
Camp Elliott |
