Sample Type is Sedimentary › Chemical › Carbonate › Limestone
765 records | DownloadIGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
---|---|---|---|---|---|
GRD00JWS0 | Grainstone | Coquina. Pleistocene, skeletal fragment | Florida | 0 | Ritter 154, 2 C |
GRD00JXS0 | Shell Limestone | Sand dollar (echinoid) sandstone | California | 0 | Ritter 154, 18 E |
GRD00K3S0 | Chalk | Nannofossil-foraminifer ooze that has been slightly lithified to form chalk. | 0 | Ritter 154, 18 L | |
GRD00KXS0 | Limestone | Original label: Brecciated limestone. Devils Gate Formation. Fine-grained biopelmicrite. | Nevada | 0 | Ritter 154, 17 B |
GRD00MCS0 | Limestone | Bone Spring Formation | Texas | 0 | Ritter 154, 21 D |
GRD00OBS0 | Oolitic Limestone | Pink to brown limestone with black and white ooids irregularly distributed. One large sample and multiple small pieces. Original label: Miami Oolite, Pleistocene? or Recent? April 1951. | Florida | 6 | Ritter 154, 3 C |
GRD00R0S0 | Oolitic Limestone | Original label: Siliceous oolite, Coll. No. 93. | Pennsylvania | 1 | Ritter 154, 3 C |
GRD00R1S0 | Oolitic Limestone | No hand sample. Thin section in Thin Section Only box in RH 154. Original label: Middle Magdalena oolitic limestone, Coll. No. 101d, February 1951. | New Mexico | 1 | Ritter 154 |
GRD00R2S0 | Oolitic Limestone | White oolitic limestone, 1 mm spheres and elongate shell fragments. Some oolites dissolved. Oolites contain a variety of fossil material in centers: echinoderms spines, mollusk shells, gastropod, etc. Shell fragments are usually rounded. Original label: Great Oolite. | United Kingdom | 5 | Ritter 154, 3 C |
GRD00R3S0 | Oolitic Limestone | Oolitic limestone. Original label: Inferior Oolite. Coll. No. 39. | United Kingdom | 1 | Ritter 154, 18 B |
GRD00R4S0 | Oolitic Limestone | Tan pisolites in grey matrix. Original label: Pea grit. Inferior Oolite fm. Coll. No. 38 and 49. | United Kingdom | 1 | Ritter 154, 18 C |
GRD00RFS0 | Oolitic Limestone | Great oolite. Thin sections labelled C-101. 4 thin sections. | United Kingdom | 4 | Ritter 154, 18 B |
GRD00RQS0 | Micritic Limestone | Two small pieces of tan micrite. Original label: Lias. | Tunisia | 2 | Ritter 154, 21 D |
GRD00RXS0 | Micritic Limestone | Brownish red with irregular light-dark laminations. Deep sea limestone interbedded with clay. Radiolarians. Conchoidal fracture. Original label: Red laminated Laytonville limestone, from Franciscan formation, with Globotruncana (?) | California | 8 | Ritter 154, 21 E |
GRD00RYS0 | Micritic Limestone | Cream colored micrite displaying conchodial fracture. Original label: Lithographic stone, Coll. No. 48. | Germany | 1 | Ritter 154, 2 C |
GRD00S3S0 | Shell Limestone | Shell fragments | California | 0 | Ritter 154, 18 E |
GRD00S6S0 | Packstone | oyster limestone, initial Gulf of California opening (~ 5 Ma), probably Latrana formation, Imperial Group. | California | 0 | Ritter 154, 18 F |
GRD00S7S0 | Limestone | Fusulinids limestone, Lecompton Limestone, Beil Limestone member; Virgilian | Kansas | 0 | Ritter 154, 18 F |
GRD00S9S0 | Packstone | Bioclastic packstone; radiolarians, sponge spicules, replaced shell fragments, bivalves, muddy matrix, pelletal. | Italy | 1 | Camp Elliott |
GRD00SAS0 | Packstone | Bioclastic mottled packstone with sponge debris; lumachella, replaced (silica) echinoderm fragments, bivalve fragments. | Italy | 1 | Ritter 154, 18 F |
GRD00SBS0 | Packstone | Bioclastic packstone with echinoderm stems, replaced molluscs, pellets, and occasional ooids. | Italy | 1 | Ritter 154, 18 F |
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 |
GRD00SRS0 | Pisolitic Limestone | Original label: Pisolitic dolostone, Carlsbad Limestone, Back reef series, Coll. No. 103, Feb 1951. | New Mexico | 1 | Ritter 154, 21 C |
GRD00T0S0 | Pisolitic Limestone | Tansill formation. Gradational change in pisolite diameter. | New Mexico | 0 | Ritter 154, 18 C |
GRD00T0S1 | Pisolitic Limestone | Tansill formation. Gradational change in pisolite diameter. | New Mexico | 0 | Ritter 154, 18 C |
GRD00T1S0 | Boundstone | Abundant microfossils. Original label: Capitan reef limestone. | New Mexico | 0 | Ritter 154, 18 J |