GRD00K4S0 |
Lamination
|
Noonday dolomite (IBEX facies) Cap carbonate |
California |
0 |
Ritter 154, 18 R |
GRD00L4S0 |
Sedimentary Structures
|
Johnny fm, Noonday Mine |
California |
0 |
Ritter 154, 2 F |
GRD00M2S0 |
Varves
|
Original label: Unita quartzite. |
Utah |
1 |
Ritter 154, 17 Q |
GRD00N7S0 |
Bedding
|
Original label: Pottsville cross-bedded, carbonaceous sandstone. Coll. No. P.T. 383i. May 1951. |
Pennsylvania |
1 |
Ritter 154, 17 Q |
GRD00OHS0 |
Sedimentary Structures
|
Johnny Formation, Noonday Mine |
California |
0 |
Ritter 154, 22 K |
GRD00QCS0 |
Hardground
|
Hardground, Late Pliensb. |
United Kingdom |
1 |
Ritter 154, 17 O |
GRD00QGS0 |
Ripples
|
red fine sandstone with ripples, Hakatai Fm., two samples |
Arizona |
0 |
Ritter 154, 17 Q |
GRD00QHS0 |
Ripples
|
Original label: ripple marks in sandstone, Vasquez Fm., Miocene, collected near rock crusher. |
California |
0 |
Ritter 154, 17 Q |
GRD00QIS0 |
Varves
|
Green varved tillite. Gowganda Fm. 2.2 Ga. Proterozoic |
Michigan |
0 |
Ritter 154, 17 Q |
GRD00QKS0 |
Mud Cracks
|
Red mudstone with thin mudcracks. Large sample. |
Wyoming |
0 |
Ritter 154, 22 M |
GRD00QKS1 |
Mud Cracks
|
Large sample of red mudstone with thin mud cracks. |
Wyoming |
0 |
Ritter 154, 22 L |
GRD00QKS2 |
Mud Cracks
|
Small sample of red mudstone with thin mudcracks. |
Wyoming |
0 |
Ritter 154, 22 M |
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 |
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 |
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 |
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 |
GRD00UDS0 |
Lamination
|
Noonday Dolomite, IBEX Deep water facies, Neoproterozoic, Cap Carbonate |
California |
0 |
Ritter 154, 22 J |
GRD00UFS0 |
Sedimentary Structures
|
Beck Springs Dolomite |
California |
0 |
Ritter 154, 17 Q |
GRD00UHS0 |
Lamination
|
White stone band in Kimmeridgian (nanno-rich) (original description). White lenses of mud/clay. |
United Kingdom |
0 |
Ritter 154, 18 Q |
GRD00UJS0 |
Ripples
|
Pentacrinus-bearing limestone displaying ripplemarks. |
Wyoming |
1 |
Ritter 154, 18 Q |
GRD00UKS0 |
Graded Beds
|
Clastic limestone becoming finer grained upward. Original label: Coll. No. 101b, case: 5655, Feb 1951, Stop 1, GSA Tour. |
New Mexico |
3 |
Ritter 154, 18 Q |
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 |