| GRD00K4S0 |
Lamination
|
Noonday dolomite (IBEX facies) Cap carbonate |
California |
0 |
Ritter 154, 18 R |
| 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 |
| 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 |
| 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 |
| GRD00UDS0 |
Lamination
|
Noonday Dolomite, IBEX Deep water facies, Neoproterozoic, Cap Carbonate |
California |
0 |
Ritter 154, 22 J |
| 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 |
| GRD00WWS0 |
Graded Beds
|
graded bed, fining upward Bouma sequence Neoproterozoic |
Normandy |
0 |
|
| GRD00X5S0 |
Ripples
|
red sandstone w/ ripple marks; hand sample scratched. |
|
0 |
Ritter 154, 22 L |
| GRD0109S0 |
Graded Beds
|
Bouma Sequence. Original label: Clastic limestone, Middle Magdalena, Coll. No. 101c, February 1951. |
New Mexico |
3 |
Ritter 154, 18 R |
| GRD010KS0 |
Graded Beds
|
Black limestone with large white calcite vein. Cut surface shows light and dark beds. Original label: Tonoloway limestone. Showing cut and fill and graded bedding. Coll. No. P.T. 400c. May 1951. |
Pennsylvania |
1 |
Ritter 154, 18 Q |
| GRD019MS0 |
Lamination
|
Dark gray, organic-rich limestone, possibly unit #6 of Scandone; echinoderm, fine styolites, irregular laminations. |
Italy |
1 |
Ritter 154, 18 Q |
| GRD019SS0 |
Bedding
|
Interbedded black chert and green argillite |
Italy |
0 |
Camp Elliott |
| GRD01AXS0 |
Sedimentary Dikes
|
Lentric chert with lensoid laminae. Partly encloses a phacoid. Deformation in chert. |
Italy |
1 |
Ritter 154, 22 J |
| GRD01AYS0 |
Sedimentary Dikes
|
Very fissile brown shale. Large quartz (slightly undulose) vein in thin-section. Silicified. |
Italy |
1 |
Ritter 154, 22 K |
| GRD01C3S0 |
Sedimentary Dikes
|
Internal sediments in Breno formation cavities. Large sample |
Italy |
0 |
Camp Elliott |
| GRD01C9S0 |
Lamination
|
Buchenstein formation, laminated. Fine holes. |
Italy |
0 |
Camp Elliott |
| GRD01CAS0 |
Graded Beds
|
Buchenstein formation. Turbidite(?). Radiolarians. Sandy, coarse-grained with chert clasts in carbonate matrix. |
Italy |
0 |
Ritter 154, 17 Q |
| GRD01CCS0 |
Graded Beds
|
Buchenstein formation. Limestone with radiolarians. Thin distal turbidite units. Cross-bedded (?) |
Italy |
0 |
Ritter 154, 22 J |
| GRD01CYS0 |
Graded Beds
|
Red radiolarite-rich limestone. Graded bedding, coarser grains at base followed by shells, then shells and radiolarians. |
Italy |
1 |
Ritter 154, 18 R |
| GRD01G2S0 |
Hardground
|
Junction Bed hardground(Pleinsbachian/Toarcian contact); large sample. Fe-rich. |
United Kingdom |
1 |
Ritter 154, 17 I |
| GRD01G3S0 |
Hardground
|
Fragment of a snuff-box hardground (inferior Oolite, Bajocian), Bajocian |
United Kingdom |
1 |
Camp Elliott |
