| GRD00ZKS0 |
Shell Limestone
|
No hand sample. Thin section only. Thin section in Thin Section Only case in RH 154. Original label: Mountain limestone (?). Coll. No. 156. |
United Kingdom |
1 |
Ritter 154 |
| GRD00ZLS0 |
Grainstone
|
No hand sample. Thin section only. Thin section in Thin Section Only case in RH 154. Original label: Magnesian limestone. Coll. No. 148. |
United Kingdom |
1 |
Ritter 154 |
| GRD00ZMS0 |
Sedimentary
|
No hand sample. Missing. |
|
1 |
|
| GRD00ZNS0 |
Conglomerate
|
Thin section billet only; Grey pebbles in sandy matrix. |
|
0 |
Ritter 154, 23 D |
| GRD00ZOS0 |
Conglomerate
|
Very large sample. See also sample in 22 M. Original label: Quartz pebble conglomerate, 40 feet above base of Crystal Springs formation, Pahrump Group, Late Precambrian, April 1964. |
California |
0 |
Ritter 154, 17 R |
| GRD00ZPS0 |
Conglomerate
|
Large quartzite pebble in hand sample and thin section. Original label: Shinarump shale-chip conglomerate. Looks like deoxidized shale of the red beds below; Feb 1951, Coll. No. 14. |
Arizona |
1 |
Ritter 154, 17 C |
| GRD00ZQS0 |
Quartz Sandstone
|
No hand sample; Thin section is in Thin Section only case in RH 154. Original label: Winterer, Australia. |
Australia |
1 |
Ritter 154 |
| GRD00ZRS0 |
Pelletal Limestone
|
No hand sample. Thin sections are in Thin Section only case in RH 154. Original label: Dolomite, pellet, med. xlline, with scattered qtz grains McCalley frm. |
Nevada |
5 |
Ritter 154 |
| GRD00ZSS0 |
Quartz Sandstone
|
Navajo Formation. Core sample |
Arizona |
1 |
Ritter 154, 17 D |
| GRD00ZTS0 |
Sandstone
|
Original label: Sept. 1960. Coll. No. Ma-13. |
Switzerland |
1 |
Ritter 154, 23 I |
| GRD00ZUS0 |
Sandstone
|
Medium-grained. Original label: Chico fm. Upper Cretaceous. |
California |
2 |
Ritter 154, 23 I |
| GRD00ZVS0 |
Sandstone
|
Very small sample. Original label: Cornbrash calcareous sandstone; Coll. No. 132. Upper Lias (?) |
United Kingdom |
1 |
Camp Elliott |
| GRD00ZWS0 |
Sandstone
|
Purple sample with green top. Original label: Verrucano pebbly sandstone. Float in small south-flowing tributary to Krauchthal, Coll. No. Ma-8, Sept. 1960. |
Switzerland |
1 |
Ritter 154, 17 G |
| GRD00ZXS0 |
Quartz Sandstone
|
Original label: Bunter sandstone. Coll. No. 147. |
United Kingdom |
1 |
Ritter 154, 17 D |
| GRD00ZYS0 |
Sandstone
|
Original label: Famennian calcareous sandstone. 1960. Large sample. |
Belgium |
1 |
Ritter 154, 17 G |
| GRD00ZZS0 |
Glauconitic Sandstone
|
Original label: July 1959. |
Alabama |
0 |
Ritter 154, 23 I |
| GRD0100S0 |
Sandstone
|
Original label: Sandstone, Mauch Chunk. |
Pennsylvania |
5 |
Ritter 154, 17 G |
| GRD0101S0 |
Greywacke
|
Original label: Beckwith formation. Dark grey sandstone with occasional flecks of carbon (plant material?). One hand sample is laminated (thin section cut from this sample). |
Wyoming |
1 |
Ritter 154, 17 H |
| GRD0102S0 |
Feldspathic Sandstone
|
Small hand samples. 18 thin sections. Original label: Arkose, Connecticut (?) |
Connecticut |
18 |
Ritter 154, 3 C |
| GRD0103S0 |
Replacement Features
|
Radiolarians replaced with calcite. Original label: Red and green radiolarite, Upper Oxfordian, Klippen Zone, Coll. No. P-25, Sept. 1960. |
Poland |
1 |
Ritter 154, 18 N |
| GRD0104S0 |
Grainstone
|
Dark gray, granular limestone. Many of the crinoid fragments are reddish. Some styolites are visible in thin section. See also S-112. Original label: Encrinal limestone. Coll. No. 76. |
New York |
6 |
Ritter 154, 3 C |
| GRD0105S0 |
Porosity
|
Dark grey, compact limestone containing light spots of crystalline calcite. Original label: Birds eye limestone, Coll. No. 86. |
New York |
1 |
Ritter 154, 18 Q |
| GRD0106S0 |
Clastic Components
|
Black limestone with granular texture. Original label: Limestone with ostracods, Coll. No. 83. |
Pennsylvania |
1 |
Ritter 154, 18 A |
| GRD0107S0 |
Dolostone
|
Core sample. Grey silicic limestone with vugs containing small dolomite crystals. Original label: Arbuckle limestone. Cambrian and Ordovician. Too low to produce oil. Salt water prolific. Superior O. Co. |
Kansas |
1 |
Ritter 154, 18 H |
| GRD0108S0 |
Oolitic Limestone
|
Upper Silurian. Black granular limestone with white calcite veins. Original label: Bossardville limestone, Coll. No. 173; RS 60. |
Pennsylvania |
1 |
Ritter 154, 18 B |
| GRD0109S0 |
Graded Beds
|
Bouma Sequence. Original label: Clastic limestone, Middle Magdalena, Coll. No. 101c, February 1951. |
New Mexico |
3 |
Ritter 154, 18 R |
| GRD010AS0 |
Oolitic Limestone
|
Grey oolite. Ooids (~0.5mm) are compacted. Original label: Elliptical oolites, Coll. No. S-2. July, 1960. |
Switzerland |
1 |
Ritter 154, 21 C |
| GRD010BS0 |
Claystone
|
White, powdery claystone. Original label: Heersian marl, below glauconite sandstone, Lower Landenian, 1960. |
Belgium |
1 |
Ritter 154, 17 K |
| GRD010CS0 |
Recrystallization
|
Original label: Silicious (?) limestone, shown on Swiss Geologic Map (Sheet 4) as Jurassic (Malm) Aptychen kalke, bunte Hornsteine kalk and Radiolarite. Coll. No. G-1. |
Germany |
1 |
Ritter 154, 18 O |
| GRD010DS0 |
Micritic Limestone
|
Fine-grained limestone. No Calipionella in thin section. Original label: Limestone with Calipionella, Tithonian +/-; September 1960, Coll. No. P-21. |
Poland |
3 |
Ritter 154, 21 E |
