| GRD010XS0 |
Shell Limestone
|
Dark curved streaks (shells?) in tan limestone. Original label: Purbeck limestone, Coll. No. 129. |
United Kingdom |
1 |
Ritter 154, 18 E |
| GRD010YS0 |
Micritic Limestone
|
Vug with prismatic calcite crystals in hand sample. Original label: Lithographic limestone, Fredericksburg Group. |
Texas |
1 |
Ritter 154, 18 D |
| GRD010ZS0 |
Grainstone
|
Large coral in hand sample. Nice thin section. Original label: Graham formation, Cisco Group, Gunsight limestone member, USGS Bull. 1096A, Fossil location 16017. |
Texas |
1 |
Ritter 154, 18 G |
| GRD0111S0 |
Pelagic Limestone
|
Original label: Seewerkalk, Globotruncana limestone, calcaspheres. |
Switzerland |
1 |
Ritter 154, 18 D |
| GRD0113S0 |
Dolostone
|
Original label: Pellet dolomite and quartz - pellet dolomite (2 layers), Union Mountain member of the Nevada formation. |
Nevada |
1 |
Ritter 154, 18 H |
| GRD0114S0 |
Grainstone
|
White limestone with black (Fe?) spots. Original label: Anacacho limestone. |
Texas |
1 |
Ritter 154, 21 H |
| GRD0115S0 |
Packstone
|
Very beautiful sample and thin section. Well-preserved graptolites. Original label: Limestone with graptolites, Latonic formation, Eden Group, Cinninnatian. |
Ohio |
1 |
Ritter 154, 18 F |
| GRD0116S0 |
Grainstone
|
Original label: Limestone. Beach rock. Recent. 7/1959. |
Bahamas |
1 |
Ritter 154, 18 G |
| GRD0117S0 |
Oolitic Limestone
|
Oolitic dolomite. Nice internal structure in ooids both in hand sample and thin section. Original label: Pisolitic dolomite, Beck Springs formation, Pahrump Group, April 1964, Float from wash. |
California |
1 |
Ritter 154, 3 C |
| GRD0118S0 |
Dolostone
|
Original label: Cherty dolomite, Crystal Springs formation, Pahrump Group, April 1964. |
California |
1 |
Ritter 154, 18 H |
| GRD0119S0 |
Dolostone
|
Original label: Laminated dolomite, Beck Springs formation, Pahrump Group, April 1964. |
California |
1 |
Ritter 154, 21 J |
| GRD011AS0 |
Dolostone
|
Original label: Laminated cherty dolomite, Beck Springs formation, Pahrump Group, April 1964. |
California |
1 |
Ritter 154, 21 J |
| GRD011CS0 |
Dolostone
|
Some iron staining. Original label: Dolomite, pellet, med. crystalline, McCalley formation, few quartz grains and some replacement quartz. |
Nevada |
1 |
Ritter 154, 21 J |
| GRD011DS0 |
Dolostone
|
Dolomite, mottled, Telegraph Canyon member of Nevada formation, Simonson (original label) No hand sample; thin-section only. |
Nevada |
1 |
Ritter 154, 21 J |
| GRD011FS0 |
Micritic Limestone
|
Small grey sample of sandy limestone. Drusy calcite crystals on sample. Original label: Limestone, sandy. |
California |
1 |
Ritter 154, 21 E |
| GRD011GS0 |
Micritic Limestone
|
Original label: Ellenberger limestone. |
Texas |
1 |
Ritter 154, 21 D |
| GRD011HS0 |
Dolostone
|
Original label: Dolomite, mottled, Telegraph Canyon member of Nevada formation, Simonson formation. Grey-brown dolomite with white wispy lenses. Billet. |
Nevada |
0 |
Ritter 154, 21 J |
| GRD011IS0 |
Micritic Limestone
|
Dark grey limestone. Original label: Limestone core from approximately 12,000 feet. |
Texas |
1 |
Ritter 154, 21 E |
| GRD011JS0 |
Dolostone
|
Original label: Laminated dolomite, Beck Springs formation, Pahrump Group, April 1964. |
California |
2 |
Ritter 154, 21 J |
| GRD011NS0 |
Grainstone
|
Nice thin section. Original label: Landenian (Eocene), with opaline layers with sponge spicules, December 1960. |
Belgium |
1 |
Camp Elliott |
| GRD013VS0 |
Limestone
|
Tan limestone interbedded with shale |
Italy |
0 |
Camp Elliott |
| GRD013XS0 |
Limestone
|
Light green limestone with small white nodules and dark wispy chert nodules; green shale at the base. |
Italy |
0 |
Camp Elliott |
| GRD013YS0 |
Limestone
|
Light green limestone with small dark wispy chert nodules; green shale at the base. |
Italy |
0 |
Camp Elliott |
| GRD013ZS0 |
Limestone
|
Light green and purple interbedded limestone. |
Italy |
0 |
Camp Elliott |
| GRD0140S0 |
Limestone
|
Light green limestone. |
Italy |
0 |
Camp Elliott |
| GRD0145S0 |
Limestone
|
Purple and light green limestone with nodule; laminated. |
Italy |
0 |
Camp Elliott |
| GRD0146S0 |
Limestone
|
Purple and light green limestone. |
Italy |
0 |
Camp Elliott |
| GRD0147S0 |
Limestone
|
Purple and light green limestone with green limestone nodule. |
Italy |
0 |
Camp Elliott |
| GRD0148S0 |
Limestone
|
Purple argillaceous limestone with light green colored nodules. |
Italy |
0 |
Camp Elliott |
| GRD0149S0 |
Limestone
|
Gray limestone with black and light colored nodules. Nodules can be gradational on the edges. |
Italy |
0 |
Camp Elliott |
