Laserfiche WebLink
<br />. .' .......M.'_..h.......__~ <br /> <br /> <br />. <br />'- <br /> <br />22 C.F. Waythomas. R.D. Jarrelll Geomorphology J J {/994} /5-40 <br />Tab]e I Table <br />Relative-age d.:na from granodiorite flood lxlulders. Arthurs Rock Gulch Radic <br />LCIC:1{ion Micnrpiniftg Cintia Lichen Boulder Surface boulder weathering (%) Lithology' Samp <br />and deposil relief cover burial locati <br /> (%) (%) (%) I'resh Pan1y Weathered n' (%) lIllller <br /> weathetod <br /> 1111' <br />Site 10 FBI Common 100 0 25 0 0 100 OR 63 47 Site I <br /> PO 38 28 wood <br /> SS 33 25 <br />Sile I.I'BI Common 100 .0 <25 0 0 100 OR 31 36 1111' <br /> PO 56 64 Site I <br /> SS 0 0 wood <br />Site 1. FB2 Incipient <5 0 0 95 0 5 OR 31 25 <br /> PO 30 2' 1111' <br /> SS 62 51 Site! <br />Site J.FB4 None 0 0 0 100 0 0 chare, <br />Site 3. FaO Common. 100 75 70 0 0 100 OR 21 45 ll/l~ <br /> spalling. PO 26 55 Site 4 <br /> incipient wood <br /> macro--pics <br />Site 3. FBL Ul'lCommon 85 50 60 16 84 0 OR 49 69 11/1. <br /> PO 22 3] Site~ <br />Site 3. FB2 Rare 80 5 5 86 I' 0 OR 44 65 wood <br /> PO 24 35 <br /> 11l2t <br />Site 4, FBO Common 95 70 55 0 0 100 PO 19 35 SiteS <br /> OR 35 65 wood <br />Site 4. FaD Common 100 73 57 0 0 100 PO 50 73 <br /> OR 19 27 11121 <br />Site 4. lncipient.T:lte <25 <5 0 90 10 0 OR 58 56 Site~ <br />llCtive PO 46 44 wood <br />channel <br /> ~BPn <br /> ,.'. '"Date <br />Site 5. FBw Abundanl 100 90 ' NA 0 0 100 OR 5 100 <br /> PO 0 0 cac:; <br />Sile5.1'B1 Common 100 70 61 0 0 100 OR 12 63 <br /> PO 7 37 <br />Site 5, FB3 Common 100 6S 38 0 0 100 OR 21 84 <br /> PO 4 16 4.2. <br />Site S. Fa3 None <25 5 5 d 40 0 OR 47 72 <br /> PO 18 28 In <br />SiteS, None 0 0 0 99 0 OR 25 63 Guk <br />active PO 15 37 vall, <br />channel <br /> flow <br />'GR - gnmodiortie. PO - pegmatite. 5S - sandstone. geoT <br />bNumber of samples. foot; <br /> by t <br />subsequently developed rock weathering features Tee- amount of lichen cover on flood boulders records the sour <br />ord the time elapsed since the last episode of fire. Thus interval of time since the last fire. Thus. our rock weath- ofth <br />the differences in weathering between "old" and ering and lichen cover data provide only minimum age 210< <br />"young" flood boulders may not be as great as they estimates. com <br />otherwise would be if fires did not OCcur. Similarly, the disc <br /> <br />. - - "" <br />'...,.:;:--.~.. ""- :.."....,' - <br />