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IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD00T4S0 Travertine Original label: Coll. No. 94. California 1 Ritter 154, 18 K
GRD00T5S0 Travertine Original label: Calcareous tufa, Coll. No. 195. United Kingdom 2 Ritter 154, 18 K
GRD00T6S0 Chalk chalk 0 Ritter 154, 18 L
GRD00T7S0 Chalk chalk, fine-grained, multiple samples -good for tests (same as S-131?) 0 Ritter 154, 18 L
GRD00T8S0 Chalk chalk multiple samples -good for tests 0 Ritter 154, 18 L
GRD00T9S0 Chalk Pale green-grey chalk. Selma Chalk. Cretaceous. Mississippi 1 Ritter 154, 18 L
GRD00T9S1 Chalk pale green-grey chalk, Selma Chalk, Cretaceous Mississippi 1 Ritter 154, 2 B
GRD00TAS0 Chalk White chalk pebble from basal Turonian. United Kingdom 0 Ritter 154, 18 L
GRD00TBS0 Diatomite diatomite, poorly lithified 0 Ritter 154, 18 M
GRD00TCS0 Diatomite Morena fm., Marca Shale member, Maastrichtian. California 0 Ritter 154, 18 M
GRD00TCS1 Diatomite Morena fm., Marca Shale member, Maastrichtian. California 0 Ritter 154, 18 M
GRD00TCS2 Diatomite Morena fm., Marca Shale member, Maastrichtian. California 0 Ritter 154, 18 M
GRD00TDS0 Diatomite White slabby, 3 pieces Nevada 0 Ritter 154, 18 M
GRD00TES0 Diatomite Hazen Fossil Lake, burrows? Nevada 0 Ritter 154, 18 M
GRD00TFS0 Chert In Freshwater Diatomite Nevada 0 Ritter 154, 18 O
GRD00TGS0 Siliceous Ooze Original label: Radiolarian Ooze. Core catcher. Pacific Ocean 0 Ritter 154, 18 M
GRD00THS0 Siliceous Ooze Original label: 130-135 cm, radiolarian ooze. Indian Ocean 0 Ritter 154, 18 M
GRD00TIS0 Diatomite Diatomite (original label) Soft sediment deformation California 0 Ritter 154, 18 M
GRD00TJS0 Chert red chert cobble, probably Franciscan, Jurassic, white veins Mexico 0 Ritter 154, 22 B
GRD00TKS0 Chert chert, prob. Franciscan, Jurassic Mexico 0 Ritter 154, 22 B
GRD00TLS0 Chert red radiolarian chert, probably Franciscan, Jurassic Mexico 0 Ritter 154, 22 B
GRD00TMS0 Chert Burlington chert, Mississippian. Heavily recrystallized. Missouri 1 Ritter 154, 18 N
GRD00TNS0 Porcellanite Monterey Fm., small fracture with offset California 1 Ritter 154, 18 N
GRD00TOS0 Chert Franciscan Fm., no radiolarians California 0 Ritter 154, 22 B
GRD00TPS0 Chert Massive, whitish, nice conchoidal fracture. 0 Ritter 154, 22 C
GRD00TQS0 Chert ostracods in gastropod shells 0 Ritter 154, 18 N
GRD00TRS0 Chert grey or black (flint) with porcellanite, chert multiple samples (chips) -good for tests 0 Camp Elliott
GRD00TSS0 Chert Original label: Black Chert. 1951. Coll. No. 144. Texas 1 Ritter 154, 18 N
GRD00TTS0 Chert Original label: Chert. Kansas Drift. Pleistocene. Coll. No. 91. Missouri 1 Ritter 154, 18 N
GRD00TUS0 Breccia Small samples of chert breccia. Grey chert clasts have conchoidal fracture. Original label: Middle Campanian. Mishash formation. See Kolodny. Breccia ascribed to dessication. Israel 1 Ritter 154, 18 N