| 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 |
| GRD00SDS0 |
Carbonate Sediment
|
Carbonate components. Original label: Beach sandstone. 1961. |
Hawaii |
2 |
Ritter 154, 18 A |
| 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 |
| GRD00SPS0 |
Dolostone
|
Noonday Dolomite, IBEX Deep water facies, Neoproterozoic, Cap Carbonate, multiple hand samples. |
California |
0 |
Ritter 154, 18 H |
| GRD00SQS0 |
Dolostone
|
Original label: Core: 13460 Devonian dolomite with anhydrite inclusions, 3-3-1952, Discovery well, Tested well water, Pg. back to Penn. where tested for 30 b/hr. |
New Mexico |
1 |
Ritter 154, 21 J |
| GRD00SRS0 |
Pisolitic Limestone
|
Original label: Pisolitic dolostone, Carlsbad Limestone, Back reef series, Coll. No. 103, Feb 1951. |
New Mexico |
1 |
Ritter 154, 21 C |
