| GRD00OKS0 |
Diamictite
|
Original label: Pebbly mudstone, Kingston Peak formation, Late Precambrian, 1954. |
California |
1 |
Ritter 154, 17 I |
| GRD00OLS0 |
Diamictite
|
Original label: Squantum tillite of Roxbury Conglomerate, Devonian or Carboniferous, September 1952. |
Massachusetts |
0 |
Ritter 154, 23 M |
| GRD00OMS0 |
Diamictite
|
Original label: Squantum tillite of Roxbury Conglomerate, Devonian or Carboniferous, September 1952. |
Massachusetts |
0 |
Ritter 154, 17 R |
| GRD00ONS0 |
Diamictite
|
Original label: Squantum tillite of Roxbury Conglomerate, Devonian or Carboniferous, September 1952. |
Massachusetts |
0 |
Ritter 154, 17 I |
| GRD00OPS0 |
Glauconitic Sandstone
|
Stone City Formation, glauconitic sandstone containing gastropods. |
Texas |
0 |
Ritter 154, 23 M |
| GRD00OQS0 |
Quartz Sandstone
|
Original label: Quartzite, Crystal Springs formation, Pahrump Group, Late Precambrian, 100 ft above the base of the Crystal Springs formation, April 1964. |
California |
1 |
Ritter 154, 23 F |
| GRD00ORS0 |
Siltstone
|
Trilobite Quarry, Wheeler shale, House Range |
Utah |
0 |
Ritter 154, 17 J |
| GRD00OSS0 |
Mudstone
|
Laminated mudstone core. Original label: Core: 7000 Spraberry sand with thin laminae of shale, showing typical vertical fracture system; Wells come in for approx. 400 b/d after hydrotracing (?), then fall off to approx 100 b/d after a month or so, but still flowing. Wells untreated would not even make lo-grade pumpers. J.O. Tomkins. 3-3-1952. |
Texas |
1 |
Ritter 154, 17 J |
| GRD00OTS0 |
Fe and Mn Formation
|
Original label: Sandy siltstone with marcasite. Alegria formation, Oligocene. 1957. |
California |
1 |
Ritter 154, 17 O |
| GRD00OUS0 |
Siltstone
|
Original label: Purple shale with white spots and stringers, Crystal Springs formation, Late Precambrian Pahrump Group, April 1964. |
California |
0 |
Camp Elliott |
| GRD00OVS0 |
Siltstone
|
Original label: Varved siltstone, Naknek formation. |
Alaska |
1 |
Ritter 154, 17 J |
| GRD00OWS0 |
Siltstone
|
Original label: Mottled red and green siltstone, Middle part of Sespe formation, 1954. |
California |
1 |
Ritter 154, 17 J |
| GRD00OXS0 |
Siltstone
|
Grey siltstone with occasional dropstones approximately 1 cm in length. Plant matter. |
|
1 |
Ritter 154, 17 J |
| GRD00OYS0 |
Claystone
|
Calcareous shale. Windom Shale. Middle Devonian |
New York |
1 |
Ritter 154, 17 J |
| GRD00OZS0 |
Laterite
|
Earthy, pink, and vuggy. |
India |
0 |
Ritter 154, 17 K |
| 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 |
| GRD00P3S0 |
Mudstone
|
Precambrian argillite |
Utah |
1 |
Ritter 154, 17 J |
| GRD00P4S0 |
Mudstone
|
mudstone, gray, fine-grained |
|
0 |
Camp Elliott |
| GRD00P5S0 |
Oil Shale
|
organic-rich argillite, finely laminated, multiple samples -good for tests |
|
0 |
Ritter 154, 17 L |
| GRD00P6S0 |
Mudstone
|
Green shale. Maplewood Shale. Silurian. |
New York |
1 |
Ritter 154, 22 E |
| GRD00P7S0 |
Mudstone
|
Arenaceous shale, Esopus Grit, Devonian |
New York |
1 |
Ritter 154, 17 J |
| GRD00P8S0 |
Oil Shale
|
black oil shale, Green River Fm., Eocene |
Colorado |
1 |
Ritter 154, 2 A |
| GRD00P9S0 |
Mudstone
|
Volcanic ash shale. Florissant Shale. Miocene. |
Colorado |
1 |
Ritter 154, 17 J |
| GRD00PAS0 |
Mudstone
|
Monterey Fm. See also the second piece in cabinet 17 drawer Q. |
California |
0 |
Ritter 154, 17 K |
| GRD00PAS1 |
Mudstone
|
Monterey Fm. See also the second piece in cabinet 17 drawer K. |
California |
0 |
Ritter 154, 17 Q |
| GRD00PBS0 |
Oil Shale
|
Monterey Fm |
California |
0 |
Ritter 154, 17 L |
| GRD00PCS0 |
Mudstone
|
Original label: Matrix of pebbly mudstone, boulder-bearing member of Haymond formation, June 1952. |
Texas |
0 |
Camp Elliott |
| GRD00PDS0 |
Oil Shale
|
Oil shale, Green River formation. Five hand samples, one with worm burrow. |
Wyoming |
1 |
Ritter 154, 17 L |
