MDEP - Mode of Deposition

MDEP1, MDEP2, MDEP3

     MDEP1 may be - if KIND is N or U.
     MDEP2 and MDEP3 may be -. 

     Otherwise, the list for MDEPx is as follows:

        -         Not Applicable
        ANTH      Anthropogenic
        COLL      Colluvial
        EOLI      Eolian
        FLEO      Fluvioeolian
        FLLC      Fluviolacustrine
        FLUV      Fluvial
        FNPT      Fen Peat
        FOPT      Forest Peat
        GLFL      Glaciofluvial
        GLLC      Glaciolacustrine
        GLMA      Glaciomarine
        LACU      Lacustrine
        LATL      Lacustro-Till
        MARI      Marine
        RESD      Residual
        SAPR      Saprolite
        SEPT      Sedimentary Peat
        SPPT      Sphagnum Peat
        TILL      Till (Morainal)
        UNDM      Undifferentiated mineral
        UNDO      Undifferentiated organic
        VOLC      Volcanic 

Bedrock Code   
        RKUD      Bedrock, undifferentiated
        RKIA      Igneous, acidic bedrock (dominantly granite)
        RKIB      Igneous, basic bedrock (dominantly basalt)
        RKIC      Igneous, basic coarse bedrock (coarse grained basalts)
        RKIF      Igneous, basic fine grained bedrock (dominantly andesites)
        RKCA      Calcareous bedrock (dominantly sandstone and shale)
        RKLS      Limestone bedrock (limestone and dolomite)
        RKSH      Shale bedrock
        RKSS      Sandstone bedrock
        RKSM      Siltstone and mudstone bedrock
        RKSP      Schist and phyllite bedrock
        RKSA      Slate bedrock
        RKQU      Quartzite bedrock
        RKGN      Gneiss bedrock