Sample Type is Sedimentary › Sedimentary Structures › Diagenetic Features
102 records | DownloadIGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
---|---|---|---|---|---|
GRD00RNS0 | Compaction Features | Lenticular sandy material between two finer-grained, laminated layers. Thin styolites in sandy material in thin section. Original label: Moenkopi formation: NW 1/4 sec 36, R573, T 21</=, Mountain Spring Quad. | Nevada | 2 | Ritter 154, 22 L |
GRD00VPS0 | Replacement Features | encrinal limestone, Lockport Dolomite, Silurian; Thin section contains dolomite rhombs | New York | 1 | Ritter 154, 23 K |
GRD00VSS0 | Replacement Features | Original label: Cherty limestone, Onandaga Limestone, Devonian. | New York | 1 | Ritter 154, 23 K |
GRD00VTS0 | Replacement Features | Siliceous oolite, Gatesburg Fm., Cambrian. | Pennsylvania | 2 | Ritter 154, 18 O |
GRD00X8S0 | Compaction Features | Pink limestone, coarse-grained with stylolite. Shell fragments. | 1 | Ritter 154, 22 K | |
GRD00XJS0 | Replacement Features | dolomite with chert nodules | California | 1 | Ritter 154, 18 O |
GRD00XNS0 | Nodules | Black chert nodules in grey silicified limestone | California | 1 | Ritter 154, 22 J |
GRD00ZES0 | Replacement Features | Mottled red-brown in light grey medium- to coarse-grained dolomite with filled vugs. Original label: Mottled dolomite from Telegraph Canyon member, Nevada Fm. July 1954. | Nevada | 1 | Ritter 154, 23 K |
GRD0103S0 | Replacement Features | Radiolarians replaced with calcite. Original label: Red and green radiolarite, Upper Oxfordian, Klippen Zone, Coll. No. P-25, Sept. 1960. | Poland | 1 | Ritter 154, 18 N |
GRD0105S0 | Porosity | Dark grey, compact limestone containing light spots of crystalline calcite. Original label: Birds eye limestone, Coll. No. 86. | New York | 1 | Ritter 154, 18 Q |
GRD010CS0 | Recrystallization | Original label: Silicious (?) limestone, shown on Swiss Geologic Map (Sheet 4) as Jurassic (Malm) Aptychen kalke, bunte Hornsteine kalk and Radiolarite. Coll. No. G-1. | Germany | 1 | Ritter 154, 18 O |
GRD011KS0 | Porosity | Original label: Limestone core, Baliozori, depth of 4875 feet. Vuggy. | Texas | 1 | Ritter 154, 22 J |
GRD0173S0 | Nodules | Large sample of light brown chert in white diatomite. Original label: Chert. Soft: diatomite, Hard: porcellanite. Post compaction concretion. Monterey Fm., Miocene. | California | 0 | Ritter 154, 2 C |
GRD0189S0 | Replacement Features | Brown laminated silicic limestone. Forams and radiolarians in thin section. | Italy | 1 | Ritter 154, 18 O |
GRD018LS0 | Replacement Features | pink limestone with purple chert lenses | Italy | 0 | Ritter 154, 23 K |
GRD018MS0 | Nodular Beds | purple chert with pink marly limestone | Italy | 0 | Ritter 154, 22 J |
GRD018TS0 | Nodular Beds | pink marly limestone with red chert nodule | Italy | 1 | Ritter 154, 23 K |
GRD019NS0 | Concretions | Black chert nodule in lenticular beds, dolomite rhombs turning into chert. | Italy | 1 | Ritter 154, 18 O |
GRD01ABS0 | Authigenic Minerals | Gray chert; Two generations of dolomite crystals in thin-section. | Italy | 1 | Ritter 154, 18 O |
GRD01ACS0 | Authigenic Minerals | Gray laminated chert; two generations (one colorless and the other is dark) of dolomite crystals in thin-section. | Italy | 1 | Camp Elliott |
GRD01ADS0 | Authigenic Minerals | Green and red laminated chert; radiolarians. Small hand sample. | Italy | 1 | Camp Elliott |
GRD01ATS0 | Compaction Features | Macegino sandstone. Angular quartz grains and mica. | Italy | 1 | Camp Elliott |
GRD01B9S0 | Replacement Features | Red limestone with more abundant radiolarians in the lighter layers. Radiolarians replaced by calcite. | Italy | 1 | Camp Elliott |
GRD01BLS0 | Nodular Beds | Cherty Rosso with radiolarians and occasional shell fragments. Carbonate replacement. Chert nodule. | Italy | 1 | Ritter 154, 22 J |
GRD01BOS0 | Authigenic Minerals | Green mudstone with small gypsum crystals. S. Giovanni Biancho formation. Small hand sample. | Italy | 0 | Camp Elliott |
GRD01C2S0 | Recrystallization | Pink and yellow supratidal facies of the Metallifero Bergamesco formation. Birds eye texture. | Italy | 0 | Ritter 154, 22 J |
GRD01C5S0 | Nodular Beds | Stunia (?) nodular limestone. Upper Anisian. | Italy | 0 | Camp Elliott |
GRD01C6S0 | Porosity | Upper Serla limestone with cavities. Birds eye limestone | Italy | 0 | Camp Elliott |
GRD01CWS0 | Nodular Beds | Buchenstein (in float) with silica-rimmed calcareous nodules. | Italy | 0 | Ritter 154, 22 J |
GRD01DCS0 | Replacement Features | Very cherty limestone and thin red mudstone/marlstone. Chertification. Wavy laminations. | Italy | 1 | Ritter 154, 18 O |