| GRD00A3S0 |
Chert
|
Jasper inclusion in basalts. Brown with red layer. |
France |
0 |
Ritter 154, 22 B |
| GRD00JSS0 |
Diatomite
|
diatomite Monterey Fm., Miocene |
California |
1 |
Ritter 154, 18 M |
| GRD00JVS0 |
Chert
|
Small hand sample of red chert from the Franciscan Formation. Fractures and green coloration. |
California |
2 |
Ritter 154, 18 N |
| GRD00JWS0 |
Grainstone
|
Coquina. Pleistocene, skeletal fragment |
Florida |
0 |
Ritter 154, 2 C |
| GRD00JXS0 |
Shell Limestone
|
Sand dollar (echinoid) sandstone |
California |
0 |
Ritter 154, 18 E |
| GRD00JZS0 |
Chert
|
Chert nodule in chalk |
|
0 |
Ritter 154, 22 C |
| GRD00K0S0 |
Anthracite Coal
|
Number 5 coal |
Illinois |
0 |
Ritter 154, 17 L |
| GRD00K1S0 |
Anhydrite
|
Massive anhydrite, Paradox Evaporite member of Hermosa formation. |
Utah, New Mexico, Colorado areas |
0 |
Ritter 154, 17 M |
| GRD00K2S0 |
Chert
|
Flint nodule encapsulated in chalk. |
France |
0 |
Ritter 154, 3 A |
| GRD00K3S0 |
Chalk
|
Nannofossil-foraminifer ooze that has been slightly lithified to form chalk. |
|
0 |
Ritter 154, 18 L |
| GRD00KXS0 |
Limestone
|
Original label: Brecciated limestone. Devils Gate Formation. Fine-grained biopelmicrite. |
Nevada |
0 |
Ritter 154, 17 B |
| GRD00L3S0 |
Chert
|
Franciscan fm., Landels-Hill Big Creek Reserve |
California |
0 |
Ritter 154, 17 C |
| GRD00MCS0 |
Limestone
|
Bone Spring Formation |
Texas |
0 |
Ritter 154, 21 D |
| GRD00OBS0 |
Oolitic Limestone
|
Pink to brown limestone with black and white ooids irregularly distributed. One large sample and multiple small pieces. Original label: Miami Oolite, Pleistocene? or Recent? April 1951. |
Florida |
6 |
Ritter 154, 3 C |
| GRD00OTS0 |
Fe and Mn Formation
|
Original label: Sandy siltstone with marcasite. Alegria formation, Oligocene. 1957. |
California |
1 |
Ritter 154, 17 O |
| GRD00PLS0 |
Evaporite
|
evaporite deposits, layered. Sample very scratched. |
California |
1 |
Ritter 154, 17 M |
| GRD00PMS0 |
Evaporite
|
evaporite deposits |
California |
1 |
Ritter 154, 17 M |
| GRD00PNS0 |
Anhydrite
|
evaporite deposits |
California |
1 |
Ritter 154, 17 M |
| 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 |
| GRD00PQS0 |
Halite
|
Two samples: black rock salt and peach rock salt. |
|
0 |
Ritter 154, 17 M |
| GRD00PRS0 |
Gypsum
|
white gypsum, massive multiple samples - good for tests |
|
0 |
Camp Elliott |
| GRD00PSS0 |
Gypsum
|
Original label: Banded reddish gypsum; near end of slope, low in exposed section. Coll. No. 86d, Feb. 1951. |
New Mexico |
1 |
Ritter 154, 17 M |
| GRD00PTS0 |
Gypsum
|
Original label: Varved gypsum. Castile formation. Permian. |
New Mexico |
1 |
Ritter 154, 17 M |
| GRD00PUS0 |
Halite
|
Original label: Part of a drilled salt core. Anith field. |
Colorado |
1 |
Ritter 154, 17 M |
| GRD00PVS0 |
Halite
|
Original label: Salt, darker, less-pure bands, depth 1600 feet. Coll. No. 151. 1951, Ranch House Salt Co. |
Texas |
1 |
Ritter 154, 17 M |
| GRD00PWS0 |
Gypsum
|
Sample scratched. Original label: Gypsum var. alabaster, Coll. No. 96. EN 126 or 129. |
Italy |
1 |
Ritter 154, 17 M |
| GRD00Q6S0 |
Oolitic Ironstone
|
oolitic iron formation, Clinton Fm., Silurian |
New York |
1 |
Ritter 154, 17 O |
| GRD00Q7S0 |
Oolitic Ironstone
|
Original label: Pisolitic ironstone, Coll. No. 337. |
United Kingdom |
1 |
Ritter 154, 17 O |
| GRD00Q8S0 |
Oolitic Ironstone
|
Original label: Oolitic Hematite, Coll. No. 97. EN 177. |
New York |
1 |
Ritter 154, 17 O |
