Station: 05BL-6
| Station ID: | 05BL-6 [1] |
| Volcano: | Redoubt |
| Collector: | Schiff, Caleb |
| Date visited: | |
| NAD83 latitude: | 60.41 |
| NAD83 longitude: | -152.35998 |
| Default location: | No |
| Location description: | Bear Lake, located in the upper Cook Inlet lowlands of south-central Alaska. Core 3 taken from south-central area of lake. The summit of Redoubt Volcano is 22 km west. Cub Lake is 17 km away. The lake is lcoated at 90 m above sea level and has two sub-basins: a deeper western sub-basin with a maximum depth of 17 m and a shallower eastern basin. Lake surface area is 0.5 square km and the drainage basin area is 1.5 square km, with a maximum elevation of 200 m and minor relief. Bear Lake has no inflow streams and is likely fed primarily by groundwater; however, there is one outflow to the north. Sediment cores recovered from Bear-Lake are primarily massive gyttja, and 69 tephra layers greater than or equal to 1 mm thick (38 were deposited between 11540 and 3850 years BP and the other 41 were deposited since then). Ten major tephras and six minor tephras were correlated between BL-3 and CB-2 (from Cub Lake), primarily on the basis of their estimated age, stratigraphic sequence, and color; these tephras were used to form the basic tephrostratigraphic framework and as a basis for correlations of other minor tephras betwen the two lakes. Location coordinates imprecisely georeferenced from figure 2c. |
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