GRD01PQS0 |
Sedimentary Dikes
|
Decent-sized hand sample. Billet. Thre types of limestone: red, cream, and grey. Red is fine-grained and transitions to the cream limestone. Cream is micritic. Grey appears to be brecciated blocks. Calcite veins and a single vug on cut surface. Original label: Section across sill. B sits on top of A. C is separate and highest. |
Italy |
1 |
Ritter 154, 22 K |
GRD01PRS0 |
Cements
|
Decent sized hand sample of cream and red limestone with calcite veins. Billets. Three thin sections from different parts of the sample. Original description: The breccia may be (?) related to breccias at bases and tops of other sills. |
Italy |
3 |
Ritter 154, 23 K |
GRD01Q4S0 |
Nodular Beds
|
Large samples with light purple nodules with dark fine-matrix between nodules. |
Spain |
1 |
Ritter 154, 22 K |
GRD01QFS0 |
Nodules
|
Decent-sized hand sample. Fine grained, purple. |
Spain |
1 |
Camp Elliott |
GRD01QXS0 |
Nodular Beds
|
Large hand sample; light grey nodules in cream matrix. |
Spain |
1 |
Ritter 154, 22 K |
GRD01R6S0 |
Bedding
|
decent sized hand sample; fine grained; Bands of color: Red, green, purple, green, brown. Green is a small amount of carbonate; Brown, purple, and red are silicic. Radiolarite, chert vein, and radiolarian right mudstone (perhaps with a carbonate cement). |
Spain |
1 |
Camp Elliott |
GRD01R8S0 |
Burrows
|
Fe/Mn-rich limestone; burrows-back filled; small hand sample |
Spain |
1 |
Ritter 154, 18 Q |
GRD01R9S0 |
Burrows
|
Mottled grey and red limestone; planolites (?) backfilled burrows |
Spain |
1 |
Ritter 154, 22 K |
GRD01RHS0 |
Crossbedding
|
Cross-bedded skeletal grainstone interbedded with pelletal grainstone. |
Spain |
1 |
Ritter 154, 17 P |
GRD01SGS0 |
Lamination
|
Decent hand sample; laminated and cross-bedded pelletal limestone; billet |
Spain |
1 |
Ritter 154, 17 P |
GRD01SXS0 |
Replacement Features
|
Dark grey/brown layers, shell fragments are visible in hand sample |
Spain |
1 |
Ritter 154, 23 K |
GRD01SYS0 |
Replacement Features
|
Dark grey/brown layers; opaque oxides and brown shell fragments visible in hand sample |
Spain |
1 |
Ritter 154, 23 K |
GRD01T0S0 |
Replacement Features
|
Skeletal chert; decent sized hand sample; shell impressions on bottom; billet |
Spain |
1 |
Camp Elliott |
GRD01T6S0 |
Bedding
|
Dark brown chert lense between two cream colored micrite layers; billet |
Greece |
1 |
Camp Elliott |
GRD01TYS0 |
Compaction Features
|
Radiolarite with offset chert bed; shows differential fracture of brittle chert relative to radiolarian mudstone |
Greece |
1 |
Ritter 154, 17 P |
GRD01U1S0 |
Cements
|
Mn crust and phosphorite with quartz-filled veins (each with two generations of cements) interbedded with radiolarian mudstone; Decent-sized hand sample with billet |
Greece |
1 |
Camp Elliott |
GRD01U2S0 |
Lamination
|
laminated radiolarian sandstone; small red hand sample. Billet. |
Greece |
1 |
Camp Elliott |
GRD01UFS0 |
Recrystallization
|
Light grey small hand sample with sparry calcite lenses. No billet. |
Greece |
1 |
Camp Elliott |
GRD02BIS0 |
Crossbedding
|
Thin silicious cross-beds in limestone. Wood Canyon Formation. |
California |
0 |
Ritter 154, 17 Q |
GRD02BJS0 |
Tool Marks
|
Rip-up mud clasts in lithic sandstone. Great Valley Group. |
California |
0 |
Ritter 154, 17 Q |
GRD02BNS0 |
Dropstone
|
Grey mudstone with rounded quartzite dropstones. Sample is capped by siltstone. Original label: Varved sediment with isolated pebbles. 1959. |
Brazil |
0 |
Ritter 154, 17 Q |
GRD02DBS0 |
Bedding
|
Large sample composed of interbedded light green sandstone and dark green siltstone. The beds are approximately 1 inch thick. Slight cross-bedding in the light green bed. Original description: Interbedded sandstone and siltstone. Upper Miocene. 1954. |
California |
0 |
Camp Elliott |
GRD02DCS0 |
Bedding
|
Large sample composed of interbedded light green sandstone and dark green siltstone. The beds are approximately 1 cm thick. A smaller sample was chosen for cutting thin section billets. Original description: Interbedded sandstone and siltstone. Upper Miocene. 1954. |
California |
0 |
Camp Elliott |
GRD02DDS0 |
Bedding
|
Large sample composed of interbedded light green sandstone and dark green siltstone. The beds are approximately 4 cm thick. Original description: Interbedded sandstone and siltstone. Upper Miocene. 1954. |
California |
0 |
Camp Elliott |
GRD02DES0 |
Bedding
|
Large sample composed of interbedded light green sandstone and dark green siltstone. The beds are approximately 2 cm thick. Sample is broken into multiple pieces. Original description: Interbedded sandstone and siltstone. Upper Miocene. 1954. |
California |
0 |
Camp Elliott |
GRD02DFS0 |
Bedding
|
Large sample composed of interbedded light green sandstone and dark green siltstone. The beds are approximately 5 cm thick. Sample is broken into multiple pieces. Original description: Interbedded sandstone and siltstone. Upper Miocene. 1954. |
California |
0 |
Camp Elliott |
GRD02DGS0 |
Bedding
|
Large sample composed of interbedded light green sandstone and dark green siltstone. The beds are approximately 1 cm thick. Sample is broken into 2 pieces. Original description: Interbedded sandstone and siltstone. Upper Miocene. 1954. |
California |
0 |
Camp Elliott |
GRD02DHS0 |
Bedding
|
Large sample composed of dark green siltstone. Original description: Interbedded sandstone and siltstone. Upper Miocene. 1954. |
California |
0 |
Camp Elliott |
GRD02DIS0 |
Bedding
|
Large sample composed of interbedded light green sandstone and dark green siltstone. Two thin siltstone beds pinch-out. Original description: Interbedded sandstone and siltstone. Upper Miocene. 1954. |
California |
0 |
Camp Elliott |
GRD02DJS0 |
Bedding
|
Large sample composed of interbedded light green sandstone and dark green siltstone. 2 cm thick sandstone bed in thick siltstone. Original description: Interbedded sandstone and siltstone. Upper Miocene. 1954. |
California |
0 |
Camp Elliott |