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Text Description: Stratigraphic Unit No. 1. Interpreted deposit type: lahar. Thickness: 118 cm. Grain size: blocks to fine ash. Bedding: reverse. Sorting: poorly sorted. Juvenile clast type: dense black block. Remarks: juvenile clast. Munsell color-wet: 10YR 4.5/3 (altered), N2 (fresh). Munsell color-dry: 10YR 6.5/3 (altered), N3 (fresh). Grain shape: n/a. Age:1953. References: ![]() |
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