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Text Description: Stratigraphic Unit No. 4. Interpreted deposit type: lahar or lahar complex. Thickness: >1 m, covered. Grain size: blocks to fine ash. Bedding: reverse graded beds. Sorting: poorly sorted. Juvenile clast type: tan (pumice-like clasts, yet still poorly vesiculated), brown (less dense, slightly more vesicular clasts), and black (dense, scoria-like clasts). Remarks: dense juvenile clast. Munsell color-wet: not provided. Munsell color-dry: N4. Grain shape: all. Age: >840+/-60 yr. B.P. References:  Characterization and discrimination of Holocene tephra-fall deposits, Mount Spurr volcano, Alaska |
| StationID | Latitude | Longitude | Geologist | DateVisited | Age Info | Volcano | Eruption | Location Description | Text Description | Sample ID | Sample Type 1 | Sample Type 2 | Final Unit | Material | Coeff | SiO2 | TiO2 | Al2O3 | FeOT | MnO | MgO | CaO | Na2O | K2O | P2O5 | Total-majors | REF majors | METH majors | Fe2O3/Fe203T orig | FeO/FeOT orig | Volatiles csv | METH volatiles | Cs | Rb | Ba | Sr | La | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | Y | Zr | Nb | Hf | Ta | Pb | Th | U | Sc | V | Cr | Fe | Co | Ni | Cu | Zn | Ga | Mo | As | Na | K | Ref trace1 | METH trace1 | Rb | Ba | Sr | La | Ce | Nd | Sm | Eu | Gd | Dy | Er | Yb | Lu | Y | Zr | Nb | Pb | Th | U | Sc | Ti | V | Cr | Ni | Cu | Zn | Ga | Ref trace2 | METH trace2 | Light csv | Halogen csv | other major csv | other lile csv | other ree csv | other hfse csv | other hpe csv | other tm csv | other misc csv | |
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| 01KW-CP1-G1 | 61.22627 | -152.19463 | Wallace, K. L. | 2001-07-02 | > 840 ± 60 14C; 831; From Waythomas (2001); age of wood collected from within a debris-flow deposit in Bench Gully. | Spurr | Spurr, Bench Gully (G1) | Stratigraphic Unit No. 4. Interpreted deposit type: lahar or lahar complex. Thickness: >1 m, covered. Grain size: blocks to fine ash. Bedding: reverse graded beds. Sorting: poorly sorted. Juvenile clast type: tan (pumice-like clasts, yet still poorly vesiculated), brown (less dense, slightly more vesicular clasts), and black (dense, scoria-like clasts). Remarks: dense juvenile clast. Munsell color-wet: not provided. Munsell color-dry: N4. Grain shape: all. Age: >840+/-60 yr. B.P. | 01KW-CP1-G1-2 | Tephra Fall | Cumulate | Glass | 59.74 | 2.02 | 13.22 | 10.26 | 0.17 | 2.68 | 5.21 | 3.89 | 2.37 | 100 | 3405 | EMP | 10.26 | Cl=0.45 | EMP |
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