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i '~ ,' 1 I ~' I' ~1 I' 1 ~~ ~i: APbEan^.1NC` ~,___-- r ~. ~/ ~ / i /~ ~~ ~/ /~ / ~ i . ~ .c.! . e'.• / / / ~/ / i ~ i i~ ~ / i i -~ ~ i i .~i / i . i i i ~ i i ii ~~ i ~~ ~ i i~ ~~ii~ ~ i i r~a,~ E ~S~~r•tEOt_I 8edd~n rJ ro r.u.a Joint ro eo.w 70 Shear Plane (laull li Sheared Zone ~ Seam i (fault 1 Crushed Zone / Seam (fault Jt Inlill Zane Seam Extremely Weathered :one Seam J f is 1 ~~' e~ ~~ 70 ~. i f E 3 & 70 M ~ 70 M ~a ~ ~ o ~ is ~. OE SCRIPrIOr~ Layered Or (~orallel Orranr~r menl Ot mineral gr a~n st( 9iv~nr9J r.5e 10 Planar ani5a1r9 Py ~n 11'1e SubSimCe Oiscanlinurly or crack across ..h~cn ror.k usualty has little lens le slr englh may be planar curved or irregular and open or lilted by soil ar ror,_k substance which acts OS Cem ent~ suf 'OCeS may be rough or smooth Neor plonar surface along which movement has taken place .iurlaces may be polished or slrc4ensided and may have a lilm or coaling al CLAT up to 2mm thick. Zone, with roughly parallel almost planar boundaries of rock substonce cut by closely spaced (often t SOmml shear planes and/or joints. The shear planes are usually smooth or slickensided and curved, inlersec:rng b divide the mass into lenticular or wedge shaped GOGkS - Rock pip txr ;es Zone with roughly parallel almost planar boundaries, composed of discorien(ed usualty angular fragments o! the host rock substance. The fragments mcay be of CLAT SILT SANO,ar GRAVEL sizes or mixtures o! these. Soil prgperties Zone of any shape but commonly with roughly parallel plonar boundaries. Formed by migro lion of soil into rock cavity ar detect. Zone al any shape but commonly with roughly parallel planar boundaries often with gradational boundaries. Formed by weathering of the rock substance in place. Figure 2 - OISCONTIIVUITY T'fPE -MAP 5'lMBOL