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<br /> Table 2-1. Minerals detected by x.ray dirrraction 1n samples rrom the Upper Colorado R1ver B.,in. NUmbert <br /> represent mineral concentrations on a relative scale from 1 to 10 (from She" et all 1981). <br />W <br />...... <br />W mineral <br />N 1 ~ <br /> . ~ f ~ , <br /> ;t f ~ l' <br /> . ~ ~ ~ <br /> i 11 f f ~ ~ i i H t f 1 1 <br /> l . <br /> i V <br /> West Salt Creek <br /> Bed Crust 156 2 I 0.5 I I T <br /> Bank crust 158 1.5 5.5 0.5 <br /> So11 under bank crust 15~ 0.5 1.5 0.5 <br /> Mancos Shale. weathered talus 16~ 10- 7 T <br /> S011. frOftl Mancos Shale 173 I A lO- T T <br /> Bed or channel G7AIS >1 I 3 O.S T T <br /> Bed of channel G1A2S <I 3 3.5 O.S T 0.5 <br /> Efflorescence, channel bed G8BI >1 I 3 T I S 0.5 <br /> Efflorescence, channel bed G8BI <I I 1.5 T O.S 2.5 I <br /> salt seep (01, d,y) G8 T 10- O.S lO- T <br /> Salt seep (field moist) G8 I O.S S 10+ S <br /> Salt frOftl creek bed X2 T I T T 0.5 S.S O.S 10+ 1 O.S T <br /> SOuth Canyon. West Salt Creek <br /> Bank crust, Mesa Verde Frm. 162 0.5 A.5 T T <br /> Prairie Canyon. West Salt Creek <br /> Bed crust 175 2 2.5 0.5 T T <br /> Bed crust 176 2 2 <br /> Badae r Wa sh <br /> S011 Mancos Shale surhce X6 1.5 7 T T T T O.S I T <br /> leach Creek <br /> Efflorescence, Mancos Shale Xl T I I <br /> Weathered Mancos Shale X5 T 2 O.S T 2.S T T <br /> Bed Crust (0-2 em), alluvium GIBI >1 2 S.S I <br /> Bed crust (0-2 ern), alluvium GIBI <I 2 A.5 O.S <br /> Mlncos Shale, hlllslope GIE3 >1 2.5 7.5 5 <br /> Mancos Shale, hills lope GIE) <I 2 7.5 S <br /> Bed of channel, elluvium G2A1 >1 2.5 6 6 T <br /> Bed of chamel, alluviUM G2AI <I S.S 7 7.S 1 <br /> CNSt.. Mesa Verde shale G20A >1 T S 6 <br /> Crust. Mesa Verda shale G20A <I I.s O.S <br /> Green Ri vet <br /> Weathered Mancos Shale 16A 5 A 1 T O.S T T <br /> unweathered Mancos Shale 165 5 S T T <br /> Fresh Hancos Shale XI S.5 A.5 T T T T T <br /> Sandy Shale, bedrock 167 S.5 7 <br /> Exposed salt layer 168 10- S 10- <br /> Evaporite Hancos Shale XA 10_ <br /> North Miller Creek <br /> Channel bed erflorescence USCAA >1 5.5 S.5 O.S T I <br /> Channel bed efrlorescence USCAA <I A 6 1 T T <br /> Channel bed efrlorescence USM2A >1 S.S 8.5 T T T T I <br /> Chemel bed efflorescence USM2A <I 2 2 T T O.S <br /> Hancos Shale mass wasted USIJ >1 A.S 8 2.S T T <br /> Mancos Shale mass wasted USIJ <1 2.S , I.5 0.5 O.S <br /> Channel bed Hancos Shale crust U6Fl >1 S '.S 0.5 T <br /> Ct'emel bed Mancos Shale Crust U6Fl <I 3 A.' I O.S T <br /> <br />20 <br />