| GRD00ZGS0 |
Pelagic Limestone
|
Grey, fine-grained lineations, thin-bedded with darker streaks. Original label: Limestone, Lower member Bruffey Formation, Devonian (?). July 1954. |
Nevada |
1 |
Ritter 154, 21 D |
| GRD00ZHS0 |
Micritic Limestone
|
Grey fine-grained limestone with laminated to thin bedding. Small sample. Original label: Bell Canyon Formation Unit 8. |
Texas |
1 |
Ritter 154, 21 D |
| GRD00ZIS0 |
Micritic Limestone
|
Black micrite. Slightly laminated. Six thin sections. Original label: Great Blue Fm. Upper Mississippian. |
Utah |
6 |
Ritter 154, 18 D |
| GRD00ZJS0 |
Dolostone
|
Black fine-grained carbonate with local recrystallization and vein-filling. One of the thin sections is very different from the other seven. Original label: Hansen Creek Formation, middle part. July 1954. |
Nevada |
8 |
Ritter 154, 18 H |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| GRD010ES0 |
Grainstone
|
Grey granular limestone. Original label: Nummulitic rock. Float in small south-flowing tributary to Krauchthal. Coll. No. Ma-16. September 1960. |
Switzerland |
1 |
Ritter 154, 18 G |
| GRD010FS0 |
Grainstone
|
Nummulites and coarse-grained sand. Internal structure in nummulites in hand sample. Original label: Nummulitic limestone. Eocene. Sept. 1960. |
Poland |
3 |
Ritter 154, 3 C |
| GRD010GS0 |
Pelagic Limestone
|
Grey limestone with thin darker beds. Original label: Very thin-bedded limestone. Tonoloway limestone. Coll. No. P.T. 400b. May 1951. |
Pennsylvania |
1 |
Ritter 154, 21 D |
| GRD010HS0 |
Pelagic Limestone
|
Grey fine-grained hand sample. Original label: Marl in Magura flysch. Lacko Marls. Coll. No. P-8. September 1960. |
Poland |
1 |
Ritter 154, 21 D |
| GRD010IS0 |
Oolitic Limestone
|
Dark grey granular limestone. Ooids, shell fragments, and sparry calcite visible in hand sample. Original label: Greenbrier limestone, oolitic. Mauch Chunk formation. Upper Mississipian. May 1951. Coll. No. P.T. 384c. |
Pennsylvania |
1 |
Ritter 154, 18 B |
| GRD010JS0 |
Limestone
|
Small shells in hand sample. Original label: Tortonian fresh-water limestone. Miocene?, Coll. No. P-29a,b. September 1960. Sketch of stratigraphy on original label. |
Poland |
0 |
Ritter 154, 22 J |
| GRD010LS0 |
Shell Limestone
|
Small hand sample. Original label: Calpionella limestone, Lower Tithonian, September 1960, Coll. No. P-23 a,b. |
Poland |
1 |
Camp Elliott |
| GRD010MS0 |
Pelagic Limestone
|
Foram ooze. Original label: Spotted marl. Middle Cretaceous. September 1960. Coll. No. P-19. |
Poland |
1 |
Ritter 154, 18 D |
| GRD010NS0 |
Packstone
|
Tan limestone with light grey disk-shaped fossils. Original label: Limestone with Operculina, Amiranian O. Co. Geologist, Coll. No. 46, 1937-38. |
Iran |
1 |
Camp Elliott |
| GRD010OS0 |
Shell Limestone
|
Large purple hand sample with lighter spots, likely crinoid pieces. Nice sample. Original label: Crinoidal limestone with red bands, in Famennian bioherm., December 1960. |
Belgium |
1 |
Ritter 154, 18 E |
| GRD010PS0 |
Boundstone
|
Hand sample composed of white coral. Montastrea annularis (?). Original label: Key Largo limestone, Coral Reef rock, Montastrea annularis, Coll. No. 229, April 1951. |
Florida |
1 |
Ritter 154, 18 G |
| GRD010QS0 |
Grainstone
|
Very small samples. Original label: Orbitolina limestone, July 15, 1950. |
Tunisia |
1 |
Ritter 154, 21 H |
| GRD010RS0 |
Grainstone
|
Sparry calcite spots in green/gray limestone. Some crinoid pieces have internal structure. Original label: Crinoidal limestone from bioherm in Famennian, December 1960. Missing sample |
Belgium |
1 |
Camp Elliott |
| GRD010SS0 |
Pisolitic Limestone
|
Pisolites becoming finer upward. Small grey sample. Original label: Pisolitic dolomite, Beck Spring formation, Pahrump Group, float in wash, April 1964. |
California |
1 |
Ritter 154, 18 C |
| GRD010TS0 |
Dolostone
|
Small hand sample. Clasts in more fine-grain matrix. Original label: Dolomite Intrasperudite, McColley formation, S. Pinyonensis zone, Clasts of dolomitized pelmicrite in fossiliferous dolomitized quartzose pelsparite. |
Nevada |
1 |
Ritter 154, 21 J |
| GRD010US0 |
Pelletal Limestone
|
Original label: Dolomite, Pelletal and Skeletal. McColley formation. Pellets, echinoderm fragments, geopetal structures. |
Nevada |
1 |
Ritter 154, 18 B |
| GRD010VS0 |
Pelagic Limestone
|
Replaced shell fragments. Matrix supported. Original label: Limestone core, 9900 feet, Lower K (?) |
Texas |
1 |
Ritter 154, 18 D |
| GRD010WS0 |
Dolostone
|
Medium-sized pisoids composed of dark grey dolomite. W64-19a is distinct from W64-19. Original label: Pisolite dolomite. Beck Spring Fm., Pahrump Group. Late Precambrian. Float from wash. April 1964. |
California |
1 |
Ritter 154, 3 C |
