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Sample Type is Sedimentary › Chemical › Carbonate › Dolostone

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IGSN Sample Type Notes Location Number Thin Sections Storage Location
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
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
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
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
GRD0113S0 Dolostone Original label: Pellet dolomite and quartz - pellet dolomite (2 layers), Union Mountain member of the Nevada formation. Nevada 1 Ritter 154, 18 H
GRD0118S0 Dolostone Original label: Cherty dolomite, Crystal Springs formation, Pahrump Group, April 1964. California 1 Ritter 154, 18 H
GRD0119S0 Dolostone Original label: Laminated dolomite, Beck Springs formation, Pahrump Group, April 1964. California 1 Ritter 154, 21 J
GRD011AS0 Dolostone Original label: Laminated cherty dolomite, Beck Springs formation, Pahrump Group, April 1964. California 1 Ritter 154, 21 J
GRD011CS0 Dolostone Some iron staining. Original label: Dolomite, pellet, med. crystalline, McCalley formation, few quartz grains and some replacement quartz. Nevada 1 Ritter 154, 21 J
GRD011DS0 Dolostone Dolomite, mottled, Telegraph Canyon member of Nevada formation, Simonson (original label) No hand sample; thin-section only. Nevada 1 Ritter 154, 21 J
GRD011HS0 Dolostone Original label: Dolomite, mottled, Telegraph Canyon member of Nevada formation, Simonson formation. Grey-brown dolomite with white wispy lenses. Billet. Nevada 0 Ritter 154, 21 J
GRD011JS0 Dolostone Original label: Laminated dolomite, Beck Springs formation, Pahrump Group, April 1964. California 2 Ritter 154, 21 J
GRD017CS0 Dolostone Laminated grey dolomite. Decent-sized hand sample California 0 Camp Elliott
GRD01FQS0 Dolostone Dolomite at trail summit (Gros Ventre formation) Uncut; decent-sized hand sample. Wyoming 0 Camp Elliott
GRD01FRS0 Dolostone Darker sandy dolomite/dolomitic ss of the Gros Ventre formation; uncut, decent-sized hand sample. Wyoming 0 Camp Elliott
GRD01FTS0 Dolostone Light colored dolomite at top of Death Canyon Member; Decent-sized hand sample. Wyoming 0 Camp Elliott
GRD01FUS0 Dolostone Laminated dolomite from the Death Valley Member. Small hand sample. Wyoming 0 Camp Elliott
GRD01FVS0 Dolostone Thin bedded dol w/ worm burrows, Gros Ventre formation (original label) Dark grey; decent-sized hand sample. Wyoming 0 Camp Elliott
GRD01HUS0 Dolostone Dark fine grained dolostone from close to platform-basin contact; Calcare di Zu. Italy 1 Camp Elliott
GRD01TQS0 Dolostone Purple dolomite with equant grains visible both in hand sample and thin section Greece 1 Ritter 154, 21 J
GRD01TRS0 Dolostone Purple dolomite with equant grains visible both in hand sample and thin section Greece 1 Ritter 154, 21 J
GRD01ULS0 Dolostone Small hand sample. Fine-grained, grey. 2 billets. Greece 1 Camp Elliott
GRD02BCS0 Dolostone Brown laminated dolostone. Original label: Supratidal/Intratidal dolomite with stromatolites, birds eye, interm. sed. Dolomia Principale. Italy 2 Ritter 154, 21 J
GRD02D1S0 Dolostone Large sample. Micritic nodules in dolomite matrix. France 1 Camp Elliott
GRD02D3S0 Dolostone Very small sample of dolostone with replaced, poorly preserved shells. France 1 Camp Elliott
GRD02DUS0 Dolostone Small clasts in a dark grey limestone matrix. Shelly, graded. Nevada 2 Ritter 154, 21 J
GRD02DYS0 Dolostone Light grey dolomite with abundant fractures. Original description: Roberts Mountains. Lone Mountain. Nevada 2 Ritter 154, 18 H
GRD02DZS0 Dolostone Mottled dolomite with white crystalline spots. Original description: Roberts Mountains dolomite with algal structure. Nevada 1 Ritter 154, 21 J
GRD02E0S0 Dolostone Small brown bedded sample. Original description: Lone Mountain Dolomite. Nevada 1 Ritter 154, 21 J
GRD02LIS0 Dolostone From Winterer notebook, this sample is from just below the Vajont formation. Original label: Igne formation, upper part, gradded beds, with resedimented Posidonia. Cherty. Italy 1 Camp Elliott