Bromley, Gordon RM; Hall, Brenda L; Stone, John O; Conway, Howard; Todd, Claire E (2010): (Table 4) Clast lithology and weathering characteristics of Reedy Glacier deposits [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.808063, In supplement to: Bromley, GRM et al. (2010): Late Cenozoic deposits at Reedy Glacier, Transantarctic Mountains: implications for former thickness of the West Antarctic Ice Sheet. Quaternary Science Reviews, 29(3-4), 384-398, https://doi.org/10.1016/j.quascirev.2009.07.001
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Coverage:
Median Latitude: -85.955000 * Median Longitude: -129.275000 * South-bound Latitude: -85.990000 * West-bound Longitude: -132.500000 * North-bound Latitude: -85.920000 * East-bound Longitude: -126.050000
Minimum Elevation: 1400.0 m * Maximum Elevation: 2160.0 m
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Latitude of event | Latitude | ||||
| 3 | Longitude of event | Longitude | ||||
| 4 | Elevation of event | Elevation | m | |||
| 5 | Lithologic unit/sequence | Unit | Bromley, Gordon RM | drift unit | ||
| 6 | Clasts | Clasts | # | Bromley, Gordon RM | no. analyzed | |
| 7 | Lithology/composition/facies | Lithology | Bromley, Gordon RM | gneissic granite (Gngr), granite (Gr), granodiorite (Grdi), microgranite (Mcgr), mafics (Maf), shales, sandstone (SS), and quartz (Qtz) | ||
| 8 | Clasts | Clasts | % | Bromley, Gordon RM | weathering stage 1 | |
| 9 | Clasts | Clasts | % | Bromley, Gordon RM | weathering stage 2 | |
| 10 | Clasts | Clasts | % | Bromley, Gordon RM | weathering stage 3 | |
| 11 | Clasts | Clasts | % | Bromley, Gordon RM | weathering stage 4 | |
| 12 | Clasts | Clasts | % | Bromley, Gordon RM | broken | |
| 13 | Clasts | Clasts | % | Bromley, Gordon RM | glacially moulded | |
| 14 | Clasts | Clasts | % | Bromley, Gordon RM | striated | |
| 15 | Clasts | Clasts | % | Bromley, Gordon RM | pitted | |
| 16 | Clasts | Clasts | % | Bromley, Gordon RM | with calcite accumulations | |
| 17 | Clasts | Clasts | % | Bromley, Gordon RM | desert-varnished | |
| 18 | Ventifacts | Ventifact | % | Bromley, Gordon RM | ||
| 19 | Clasts | Clasts | % | Bromley, Gordon RM | surface oxid. stage 1 | |
| 20 | Clasts | Clasts | % | Bromley, Gordon RM | surface oxid. stage 2 | |
| 21 | Clasts | Clasts | % | Bromley, Gordon RM | surface oxid. stage 3 | |
| 22 | Clasts | Clasts | % | Bromley, Gordon RM | surface oxid. stage 4 | |
| 23 | Clasts | Clasts | % | Bromley, Gordon RM | with surface salt accumulation | |
| 24 | Description | Description | Bromley, Gordon RM | of clasts, A: Angular clasts; SA: Sub-angular clasts |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
360 data points
Data
| 1 Event | 2 Latitude | 3 Longitude | 4 Elevation [m] | 5 Unit (drift unit) | 6 Clasts [#] (no. analyzed) | 7 Lithology (gneissic granite (Gngr), gran...) | 8 Clasts [%] (weathering stage 1) | 9 Clasts [%] (weathering stage 2) | 10 Clasts [%] (weathering stage 3) | 11 Clasts [%] (weathering stage 4) | 12 Clasts [%] (broken) | 13 Clasts [%] (glacially moulded) | 14 Clasts [%] (striated) | 15 Clasts [%] (pitted) | 16 Clasts [%] (with calcite accumulations) | 17 Clasts [%] (desert-varnished) | 18 Ventifact [%] | 19 Clasts [%] (surface oxid. stage 1) | 20 Clasts [%] (surface oxid. stage 2) | 21 Clasts [%] (surface oxid. stage 3) | 22 Clasts [%] (surface oxid. stage 4) | 23 Clasts [%] (with surface salt accumulation) | 24 Description (of clasts, A: Angular clasts;...) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quartz_Hills | -85.9200 | -132.5000 | 1400 | Modern | 100 | Gngr/Gr | 7 | 0 | 0 | 0 | 67 | 43 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Clasts lack significant weathering. Many are glacially moulded though striations are restricted to finer-grained lithologies. Frost-shattering of surface clasts common |
| Quartz_Hills | -85.9200 | -132.5000 | 1400 | Reedy III | 459 | Gngr/Gr/Maf | 26 | 7 | 0 | 0 | 96 | 73 | 7 | 6 | 0 | 10 | 0 | 43 | 4 | 0 | 0 | 8 | Clasts lack significant weathering. Many are glacially moulded though striations are restricted to finer-grained lithologies. Frost-shattering of surface clasts common |
| Quartz_Hills | -85.9200 | -132.5000 | 1400 | Reedy A | 0 | Gngr/Gr | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Clasts predominantly angular, lightly stained |
| Quartz_Hills | -85.9200 | -132.5000 | 1400 | Reedy B | 150 | Gngr/Gr | 18 | 61 | 21 | 0 | 41 | 55 | 0 | 7 | 0 | 0 | 0 | 0 | 17 | 77 | 6 | 11 | Clasts weathered to 60 cm |
| Quartz_Hills | -85.9200 | -132.5000 | 1400 | Reedy C | 0 | Gngr/Gr | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Fractured clasts throughout, rotten in upper 5 cm |
| Quartz_Hills | -85.9200 | -132.5000 | 1400 | Reedy D | 152 | Gngr/Gr | 0 | 38 | 44 | 17 | 32 | 66 | 0 | 16 | 0 | 0 | 0 | 0 | 27 | 48 | 25 | 79 | Fractured, rotten clasts common to 80 cm depth |
| Quartz_Hills | -85.9200 | -132.5000 | 1400 | Reedy E | 100 | Gngr/Gr | 31 | 2 | 57 | 10 | 27 | 35 | 0 | 27 | 0 | 0 | 0 | 7 | 31 | 49 | 13 | 68 | Fractured clasts common throughout unit |
| Polygon_Spur | -85.9900 | -126.0500 | 2160 | Modern | 150 | Gr | 20 | 27 | 19 | 0 | 25 | 43 | 0 | 7 | 0 | 0 | 0 | 41 | 33 | 13 | 0 | 0 | Majority of clasts moulded. Many are weathered due to prior exposure. |
| Polygon_Spur | -85.9900 | -126.0500 | 2160 | Reedy III | 0 | Gr | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | In Cold Bowl clasts are predominantly local pegmatites, all A in shape |
| Polygon_Spur | -85.9900 | -126.0500 | 2160 | Reedy B | 100 | Gngr/Mcgr/Grdi | 79 | 19 | 2 | 0 | 7 | 19 | 0 | 0 | 0 | 0 | 0 | 64 | 31 | 5 | 0 | 62 | Clasts typically A. Salt flecks common to 60 cm |
| Polygon_Spur | -85.9900 | -126.0500 | 2160 | Reedy C | 150 | Gr | 47 | 31 | 22 | 0 | 31 | 20 | 0 | 0 | 0 | 0 | 0 | 25 | 55 | 21 | 0 | 21 | Clasts typically A-SA, exhibit faceting & are moderately stained. Some are rotten |
| Polygon_Spur | -85.9900 | -126.0500 | 2160 | Reedy D | 100 | Gngr | 0 | 36 | 55 | 9 | 69 | 1 | 0 | 21 | 0 | 0 | 0 | 0 | 23 | 52 | 25 | 51 | All clasts deeply stained, some exfoliated. Clasts predominantly A (though one faceted clast was found), most are fractured |
| Polygon_Spur | -85.9900 | -126.0500 | 2160 | Reedy E | 50 | Gngr | 0 | 21 | 8 | 4 | 15 | 60 | 0 | 2 | 16 | 0 | 0 | 20 | 36 | 18 | 12 | 42 | Fractured clasts common throughout unit |
| Polygon_Spur | -85.9900 | -126.0500 | 2160 | Red | 50 | Maf/Gr | 88 | 12 | 0 | 0 | 10 | 64 | 0 | 10 | 1 | 65 | 1 | 0 | 21 | 0 | 79 | 0 | Surface clasts weathered to a bright red colour & highly varnished. Many pieces of shattered concretion, probably from Kentmere tillite. Majority SA, though faceting & striations are common. One ventifact found below surface |
| Polygon_Spur | -85.9900 | -126.0500 | 2160 | Horlick 5 | 0 | Maf/Shale/SS/Qtz | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Clasts mostly exotic to Polygon Spur. All extremely desert-varnished |
| Polygon_Spur | -85.9900 | -126.0500 | 2160 | Cirque I | 50 | Gr/SS/Shale | 0 | 0 | 0 | 0 | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | Clasts predominantly A |
| Polygon_Spur | -85.9900 | -126.0500 | 2160 | Cirque II | 50 | Gr/SS/Shale | 62 | 5 | 0 | 0 | 82 | 14 | 0 | 0 | 0 | 0 | 0 | 40 | 60 | 0 | 0 | 0 | Clasts predominantly A, though some show faceting. Most are stained |
| Polygon_Spur | -85.9900 | -126.0500 | 2160 | Cirque III | 52 | Gngr/Gr/Shale | 58 | 0 | 4 | 0 | 78 | 20 | 0 | 0 | 0 | 0 | 0 | 24 | 58 | 18 | 0 | 0 | Clasts predominantly A, more stained than Cirque II |