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<br />DcscripC ion of ii>:is [ing GnvirnnnnC
<br />'1'hr: cell beds dts covered nn coal leaves C-0125:)5 a::d h-6125516 ore
<br />c anCaincd in the I~loun[ Gar Fie ld i'o rm.~[ion nP the `1os:+verdu Gro~.ip of
<br />'u ppat. C:~'Lnceou s' age. The [h~ic4. goal s2am,s lie in [':: r. lowrr pot Cion of
<br />[hc FIa~nC G'ar Cic•ld Forma ion.
<br />;1t.• lower pace of the Ptount Car Geld Ferm.t[iot~ consists oC snndseone,
<br />;:halo, sand;~ sltala, carbonacn_ons shale, and cua1. 'I`,rr~, .,rincipal
<br />I:i nd:; of sands toner are repot Crd: 1) the thick, rnas.:ivo, unie.e Rol Lins
<br />Sands [one of 1iCtora] origin and rh inn,_r 'nu[ similar snnd:000CS; '_I
<br />mass ivr sandrones x-25 fret thtck of fluvtaCile origin, and ?) Chin,
<br />iu-thular, locally guar l:: sands[onr.s intzrbedded wiCh gra,; shale; Chn.se
<br />sand;;roncs ore charac[eri:ed 6y ripple - and curter[ - marks and
<br />b~c!ci ing sur Caces sbr.`,w Chin Ci Los of •.r.ica am,{ Ca Cl]on.?C n, otti r.ta'l~tC 131.
<br />Shat le in CC. bedded '.di Ch [he ssndn Lanes ran(;es from thin parC inks Co beds
<br />10-3G 6'rL [hick. heds of shale wi[h lenses of uucrr.•ent~•d ur poorly
<br />conc~~lidn[ed sandstone locall reach 100 :ee[ thick. Carl•onnceous
<br />::hates are u;;ually associated 4-i rh [hc soal beds. Co~1 .ucurs in
<br />nvrr lapping ur in rerfingcr ing scams wh ir.h consticnce .~ cuaL 'zone'. In
<br />tln: ricini[y u: ehe subject ]eases, [ht ee cna 1. zones r,c cr~r in [hie Mount:
<br />Gar Cic ld FormaC ton: 'Cite Carboitera, Cemcn, end Palisade.
<br />'1'h.: Cat boner; coal zone is sCraL i,yrnphical iy the highesC znnr: in ['ne
<br />Boo F: CIiCf:, wi.[h mi r.eh le coal he;is. 'fa:o senins are usually pros en[ and
<br />in sonic place.^, rhrr.z. The base of Che lower seam is abnnC 60 (ec[
<br />.il,ov•~ thr bast uC Cli~_• C:nnco tone. 'fhc C,'at boner, coal zpnc is I:ypically
<br />d.•vclop,`cf iu Lhe vi..in i.ty o[ C.t r'ritv.,_ra, ahoitl 6 miles '. v:C nC [he
<br />subject 1~:•asds, and in the S[ov~~ Canvon area n~~;tr [ho sou tt'. boundary of
<br />Chc sub li_CC lr;;ises. Coal beck in I:ho Carbone ra T.onC rrpnr Cr~lly
<br />ditnini.sh i~„ ~~„mbcr t'.ti.c'~nr_ss, and ...[nn[. L o:n '~+es[ to :ns, act:os; [hc
<br />coal it~ld.
<br />The G~n~e r. coal zone is no[nb it Ccr the th ic4:ness of i[s st•.-~:: and i,Ls
<br />l;r ~`aL dx[dnL. Although iC is Che most prnciuct ivc coa' un~~ in [he Look
<br />C1i Cf: Pi:~ld n( C'oinradu, iC is u~r'r i. c-d a[ ui;ly Loo ;ion: C1i!~[ snJ CnrnCo
<br />mi~rs. 'I'h i:; is rlu~: Co Lhr. face Lhal: Che pal isndo real in p,~•n~•r.'ti is of
<br />b~'Ci~~i n, u.tl t.L,~ and i:~ more sc cess ib le, oc airing se:`era: liiindt .•d reef
<br />lo,:rr do,:o the sCeep c1iCCs. In Che cas t:'rn par[ of L'~` r"it l~!, Ch"
<br />L:aioco ;:on~• iinmediaCe fp overlies Che mass iv~• wl:i Le, cliff-f,n n.iaG
<br />I:nllins Sands LOnc. :^.urit of Lhe I;:nnro coal is bony, •.•i[h a ~?id chanl,c
<br />P,.: L~..•r ~~n clean anal bony goal. $and•:LUne dikes or 'sand rncL ;pars' are
<br />cltnracLori::Lic uC Che Gainer coal ;:mt.'." (!9,~inoranrhtni, 1~~+: ?.r ~:a ?lining
<br />S up;•rv is or, Atrt hu.': Dtty id v. Ilaine; GCO10+;is C, C&;1:1, .i i.tly ~. ~; 1975)•
<br />5~'~_ F'i.gu m 1 for rieiu rcalis~d straLii;: aph tc sect ton of Chc sub jr.c[
<br />tr~.a.
<br />I!a:.cd upon limiL•'~1 kn ow l,:dl:,e troin LesC en Cr'ic.~ ar.d drill hu L~s, Lhe
<br />r~ntf rucR. enn`:isCS ul vray Lo 61ncb: shales nC varying h•irdr,c::ti and
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