Sample Type is Sedimentary › Chemical › Carbonate › Limestone › Grainstone
93 records | Download| IGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
|---|---|---|---|---|---|
| GRD00JWS0 | Grainstone | Coquina. Pleistocene, skeletal fragment | Florida | 0 | Ritter 154, 2 C |
| GRD00SES0 | Grainstone | Nummulitic coquina. High porosity. Original label: Suwannee limestone, Vicksburg Group, Middle Oligocene Coll. No. 223, April 1951. | Florida | 1 | Ritter 154, 18 G |
| GRD00SFS0 | Grainstone | White, moderately porous, coarse coquina. Ocala Limestone. Original label: 1951. | Florida | 2 | Ritter 154, 18 G |
| GRD00SGS0 | Grainstone | oyster-rich beds in Sharps Hill formation, Bathon., clay rip up clasts. | United Kingdom | 0 | Ritter 154, 21 I |
| GRD00SMS0 | Grainstone | Limestone with cavities where gastropod and bivalve shells once were. Original label: Edwards limestone, no. 5. | Texas | 2 | Ritter 154, 21 H |
| GRD00SOS0 | Grainstone | Oolitic grainstone; sponge spicules (?) are in the core of some of the ooids, shell fragments. Significant porosity. | Italy | 1 | Ritter 154, 21 H |
| GRD00V8S0 | Grainstone | light beige | 0 | Ritter 154, 21 H | |
| GRD00VBS0 | Grainstone | beach rock | Samoa | 0 | Ritter 154, 21 H |
| GRD00VCS0 | Grainstone | light tan, fossiliferous limestone, coarsely crystalline, well indurated | 0 | Ritter 154, 21 H | |
| GRD00VDS0 | Grainstone | fossiliferous limestone, beach rock? - high porosity, highly recyrstallized (originally skeletal limestone) | 0 | Ritter 154, 21 H | |
| GRD00VFS0 | Grainstone | skeletal grainstone with high porosity, worm shells on outside | 0 | Camp Elliott | |
| GRD00VKS0 | Grainstone | fossiliferous limestone, many gastropods, multiple samples -good for tests | 0 | Ritter 154, 18 G | |
| GRD00W2S0 | Grainstone | Grey limestone with spiralling disks (1-3 cm). Original label: Nummulitic limestone, Eocene. | Poland | 1 | Ritter 154, 18 G |
| GRD00WAS0 | Grainstone | missing, coquina, Pleistocene Anastasia Fm. | Florida | 0 | |
| GRD00X3S0 | Grainstone | coquina, sandy skeletal grainstone, three large samples | 0 | Ritter 154, 18 G | |
| GRD00X9S0 | Grainstone | Encrinal limestone. Coarse-grained with crinoid stems. Some stems pieces are pink, others are white. See also 110-C125. | New York | 1 | Ritter 154, 2 H |
| GRD00Y3S0 | Grainstone | Original label: Lacustrine limestone with oolites and algal laminates. Quaternary - Rancho La Brean, age. | California | 0 | Ritter 154, 18 I |
| GRD00Y3S1 | Grainstone | Original label: Lacustrine limestone with oolites and algal laminates. Quaternary - Rancho La Brean, age. | California | 0 | Ritter 154, 21 I |
| GRD00YHS0 | Grainstone | Beach rock, 1964 (original label) Large samples | Samoa | 0 | Ritter 154, 21 H |
| GRD00Z5S0 | Grainstone | No hand sample; Thin section is in Thin Section only case in RH 154. | St. Louis | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| GRD0114S0 | Grainstone | White limestone with black (Fe?) spots. Original label: Anacacho limestone. | Texas | 1 | Ritter 154, 21 H |
| GRD0116S0 | Grainstone | Original label: Limestone. Beach rock. Recent. 7/1959. | Bahamas | 1 | Ritter 154, 18 G |
| GRD011NS0 | Grainstone | Nice thin section. Original label: Landenian (Eocene), with opaline layers with sponge spicules, December 1960. | Belgium | 1 | Camp Elliott |