| GRD00QLS0 |
Burrows
|
Sandstone with Pholad clam boring fills |
Mexico |
0 |
Ritter 154, 17 Q |
| GRD00QMS0 |
Wrinkle Marks
|
Cadiz shale member of the Cararra Formation, Middle Cambrian; Two hand samples. See also N-190, N139-2, and S-691 (all are Cadiz members). |
California |
0 |
Ritter 154, 2 B |
| GRD00QNS0 |
Wrinkle Marks
|
Original label: Wood Canyon formation, Pre-Cambrian boundary. |
California |
0 |
Ritter 154, 17 Q |
| GRD00QOS0 |
Mud Cracks
|
Mudcracks preserved beneath the dated tuff (14.8 Ma); Barstow Formation, near base of upper member - South limb of syncline |
California |
0 |
Ritter 154, 17 P |
| GRD00QPS0 |
Trackways
|
Rusophyeus and trilobite scratch marks, Cadiz Shale Member, Cararra Formation. See also N-190, S-683, and S-691 (all are Cadiz members). |
California |
0 |
Ritter 154, 17 Q |
| GRD00QQS0 |
Mudstone
|
Cadiz Shale member, Carrara formation, Middle Cambrian. See also N-190, N139-2, and S-683 (all are Cadiz members). |
California |
0 |
Ritter 154, 8 I |
| GRD00QRS0 |
Crossbedding
|
quartz sandstone, cross bedding, Johnnie Fm., Late Precambrian. |
California |
0 |
Ritter 154, 22 M |
| GRD00QSS0 |
Graded Beds
|
graded bed, fining upward |
unknown |
0 |
Ritter 154, 17 R |
| GRD00QTS0 |
Sedimentary
|
concretion in lithic sandstone |
|
0 |
Ritter 154, 17 R |
| GRD00QUS0 |
Mudstone
|
mudstone w/ glacial dropstone, Permo-carboniferous |
Australia |
0 |
Ritter 154, 17 R |
| GRD00QUS1 |
Mudstone
|
Mudstone w/ glacial dropstone. Permo-carboniferous. |
Australia |
0 |
Ritter 154, 17 R |
| GRD00QVS0 |
Mudstone
|
mudstone with well formed pyrite cubes, Tapley Hill Fm?, Neoproterozoic, mudstone in between glacial deposits |
Australia |
0 |
Ritter 154, 17 R |
| GRD00QWS0 |
Bedding
|
Large sample. Original label: Bedded tuff with Columbia Plateau lava, See also 110-T23, July 1954. |
Oregon |
0 |
Ritter 154, 17 R |
| GRD00QXS0 |
Ripples
|
Cadiz formation - Abone Chamblina Marble. See also S-683, N139-2, and S-691 (all are Cadiz members). |
California |
0 |
Ritter 154, 17 R |
| GRD00QYS0 |
Lithic Sandstone
|
Original label: July 1954. |
Nevada |
1 |
Ritter 154, 17 F |
| GRD00QZS0 |
Quartz Sandstone
|
Berea sandstone. 19 thin sections. Small hand sample. |
Ohio |
19 |
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 |
| 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 |
| GRD00ROS0 |
Quartz Sandstone
|
Shinumo Quartzite |
Arizona |
1 |
Ritter 154, 17 D |
| GRD00RPS0 |
Quartz Sandstone
|
Original label: Pottsville quartz sandstone. Penn. Coll. No. P.T. 383c. May 1951. |
Pennsylvania |
3 |
Ritter 154, 17 D |
| 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 |
| GRD00S4S0 |
Feldspathic Sandstone
|
Graded bedding. Original label: Torridon sandstone, Coll. No. 171. |
United Kingdom |
1 |
Ritter 154, 17 E |
