| GRD00LWS0 |
Quartz Sandstone
|
Original label: Sardona quartzite. (Sandstone unit in Sardona flysch). Muddy type. Side with long shale streak is base. Coll No Ma-14. September 1960. |
Switzerland |
2 |
Ritter 154, 17 D |
| GRD00LXS0 |
Quartz Sandstone
|
Original label: Sardona quartzite. (Sandstone unit in Sardona flysch). Massive type. Pointed end is top. Coll No Ma-11. September 1960. |
Switzerland |
1 |
Ritter 154, 17 D |
| GRD00LYS0 |
Quartz Sandstone
|
Original label: Pottsville quartz sandstone with green shale fragments. Coll. No. P.T. 383j. May 1951 |
Pennsylvania |
1 |
Ritter 154, 23 F |
| GRD00LZS0 |
Quartz Sandstone
|
Original label: Coconino sandstone? Coll. No. 9. Feb. 1951. |
Arizona |
1 |
Ritter 154, 17 D |
| GRD00M0S0 |
Quartz Sandstone
|
No hand sample. 16 thin sections, a portion of which are numbered. Original label: Montebello Sandstone. Hamilton formation. May 1951, Coll. No. P.T. 426a. |
Pennsylvania |
16 |
Ritter 154, 3 C |
| GRD00M1S0 |
Quartz Sandstone
|
Original label: Baraboo quartzite, Coll. No. 125 and EN 182. |
Wisconsin |
1 |
Ritter 154, 23 F |
| GRD00M2S0 |
Varves
|
Original label: Unita quartzite. |
Utah |
1 |
Ritter 154, 17 Q |
| GRD00M5S0 |
Quartz Sandstone
|
Original label: Oriskany sandstone. Coll. No. P.T. 394 May 1951. |
Pennsylvania |
1 |
Ritter 154, 17 D |
| GRD00M6S0 |
Quartz Sandstone
|
Original label: Tuscarora (upper). |
Pennsylvania |
0 |
Ritter 154, 23 F |
| GRD00M7S0 |
Quartz Sandstone
|
Thin section billets only. Original label: Quartzite, Roubidoux. |
Missouri |
4 |
Ritter 154, 23 F |
| GRD00M8S0 |
Quartz Sandstone
|
Original label: St Peter sandstone, St Peter sand quarry, Klondike railroad siding, T44N, R1E. |
Missouri |
1 |
Ritter 154, 3 C |
| GRD00MAS0 |
Quartz Sandstone
|
Upper part of Weber formation; small hand sample |
Utah |
1 |
Ritter 154, 23 F |
| GRD00MCS0 |
Limestone
|
Bone Spring Formation |
Texas |
0 |
Ritter 154, 21 D |
| GRD00MDS0 |
Feldspathic Sandstone
|
arkose K-spar |
|
0 |
Ritter 154, 17 E |
| GRD00MES0 |
Feldspathic Sandstone
|
arkose, Sugarloaf arkose - probably not exact location, Triassic, nice Kspar |
Massachusetts |
1 |
Ritter 154, 17 E |
| GRD00MFS0 |
Feldspathic Sandstone
|
Sugarloaf arkose, Triassic |
Massachusetts |
0 |
Ritter 154, 17 E |
| GRD00MGS0 |
Feldspathic Sandstone
|
drill core original description red Micaceous Sandstone (Thin Section : Qtz> Microcline> plag>biotite>muscovite). Thin section missing |
Colorado |
0 |
Ritter 154, 17 E |
| GRD00MHS0 |
Feldspathic Sandstone
|
Original label: Basal Tapeats. Tonto Group, Middle Cambrian. |
Arizona |
1 |
Ritter 154, 17 E |
| GRD00MIS0 |
Sandstone
|
Original label: Millstone grit., Coll. No. 15. |
United Kingdom |
1 |
Ritter 154, 17 E |
| GRD00MJS0 |
Feldspathic Sandstone
|
Large feldspar and quartz grains. |
Massachusetts |
1 |
Ritter 154, 17 E |
| GRD00MKS0 |
Feldspathic Sandstone
|
No hand sample. Thirteen thin sections. Thin section: 50% quartz, 47% feldspar, 2% opaque; very large k-spar grains (>1 cm) |
|
13 |
Ritter 154, 17 E |
| GRD00MLS0 |
Lithic Sandstone
|
Sandstone. Wood Canyon Formation. Nice weathering example. |
California |
1 |
Ritter 154, 17 F |
| GRD00MMS0 |
Lithic Sandstone
|
yellowish lithic sandstone/graywacke with wood fragments, fine laminations |
|
0 |
Ritter 154, 23 H |
| GRD00MNS0 |
Lithic Sandstone
|
sandstone lithic fragments, abundant multiple samples -good for tests |
|
0 |
Camp Elliott |
| GRD00MOS0 |
Lithic Sandstone
|
Original Label: Katalla Formation. Split Creek Member, Marine, 1962. |
Alaska |
1 |
Ritter 154, 17 F |
| GRD00MPS0 |
Lithic Sandstone
|
Spotted |
California |
1 |
Ritter 154, 23 H |
| GRD00MQS0 |
Lithic Sandstone
|
Original label: Sandstone with mud flakes. October 1963. |
California |
0 |
Ritter 154, 23 H |
| GRD00MRS0 |
Lithic Sandstone
|
Original label: Test rock, 12 thin sections. |
|
12 |
Ritter 154, 17 F |
| GRD00MSS0 |
Lithic Sandstone
|
Mollusc fossils in hand sample. Original label: Knoxville formation. |
California |
2 |
Ritter 154, 23 H |
| GRD00MTS0 |
Lithic Sandstone
|
Very angular and poorly sorted grains. Green sample. Original label: Franciscan. Winterer. 1955. |
California |
6 |
Ritter 154, 3 C |
