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Text Description: Sample has a strat-centered depth of 397.65; three sub-samples taken for geochemistry Sample name is core_BL-3 equivalent depth in cm (from Table 4). Depth below the lake floor (blf) to base of tephra is 414 cm. Tephra thickness is 6.3 cm. Bulk grain size is Coarse ash. Maximum grain size is 2.5 mm. Long axis of the largest single grain for tephras with grains >0.5 mm. References:  An improved proximal tephrochronology for Redoubt Volcano, Alaska |
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