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Summary of the Mineralo·Gy of the Colorado Plateau Urantum Ores

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Summary of the Mineralo·Gy of the Colorado Plateau Urantum Ores (~o-o) -!&7v ho . $3~ Summary of the mineralo·gy of the Colorado Plateau urantum• ores By A. D. Weeks, R. G. Coleman, and M. E. Thompson Trace Elements Investigations Report 583 UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY Geology a.nd ·Mineralogy This document consists of 5.0 pages •. .Series AO' ·UNITED _STl\,TES D~PARTMENT Of THE ·INTJ5RIOR GEOLOGICAL SUR~ _SUMMARX OF THE MINERALOGY -OF THE COLORADO .PLATEAU URA,NI~ ORES*. By Alice D. -Weeks, Robert G. CoJ..eman, and ·~ry - E~ Thompson Trace Elements Investigations Rgport 583 This ;preliminary report is distri"Quted without editorial and technical. review for conformity with official standards and nomenclature.._ It is not for pul?lic inspecti.on or quotation. • *This report eoncerns work done on behalf of .the Division of Raw Materials of the u. s. Atomic ·Energy.Commission. 2 GEOLOGY AND MI~RALOGY Distribution (Series A) rio • o:r -ca;pies h " .Atomic . Energy. Commissic;>n, ·Washington ¢ -• 0 ..... il .• .O,. ~G • .._ D-• ••.•••• ~o .0 , e•. (:;.. 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'"J• ..... ,. o o l Exploration ·Division, Grand Junction Operations ot:riee 0 ~HI! o. o .• 0 .... 6 Grand. .Junction Operations Office 9 * o o • o o o ... o ~~ o -• o.. Q o .o o q o o o o .. o • • • • • 1 'Technical Information ·Extension, Oak Ridge o o o if> co j) a o., •• oo. 0· o .. .,. ~. 6 U jJ S"" .Geological Survey~ Fuels :Branch, .Washing:·tcn ~- •.• o o o •- ., ~- .,_ 9 .. o • o o o • -~ ~> o ..• o: <> o • Q . o .o o o o • o o ,. o • . • 1 Geochemistry ·and Pe-trology. Br~ch, Wash;:lngton o •• o ... o o •· C> • o • o ~-. •• o • 20 Geophysics Branch' Washington . 0 •••• 0 . 0 9 0 .. 0 .. 0 0 0 j) 0 .... 0 0 0 0 o, . 0. 0 o _O 0 0. ·.1 Mineral Depas i t.s. Braneh, . Washington a o o o. • -o o. o o o .. _o a o o _ .- a o o • . •• o • •. • . • .~ ... ~ 2 P.., Co Baternan, Menlo- :Park 01 "' .. .. ,. _9'..,. • Q o. <> o. ·"' o o o o o. o • . o • o ., o o " o o o o • . o o •••• 1 A .. L. Brokaw, Grand Junction •. o•••oo.ooooo· ... •oooo. ooo•o. ooo•o•o •• ·..... 2 N.. M. Dens o:n. , Denver .Cii • o . • i;o e ~ o o o • · .!i ., _.-. G o o •• o . ... o o ., o • ••• !>- o • o _,. o • • o . • " o • -• 1 Vo L. .Freeman, College • o o l!i o ... .,. o .. ,.. o .• . ., o • o- I'A ~~ o o. o II> o o o . · ~ o o., o .., ~ •• o • • · . o .._ . 1 R. L. Griggs ' Alb.uquerque 0 Q 0 0 0 ,., . .... 0 • 4.. 0 .(f _.,. 0 6 0 0. 0 0 .~ ia ., ~ 0 ... 0 0 0 "'. e -....... .1 M. R. • Klepper , ··Spokane o o • o o o o •• o • o . • 111 o .. o o .,. o o. o. c> o. <>· o o .... o ........ o • · o o • !f·. • 1 A,. -Ho Koschma.nn, Denver o o 0 · o o., o •• o o. o ~ o ,. • o o o _.. _ o o ~ - o. o • .• o • o o ••• o •• o •• ·1 J. D. Love, Laram.ie o o e • o _Oil"' o.. o o o ... o. • -o • o • o o o ., o o o ,•. • :•~~> o ..... .. .. ·• • • . o ~ •• 1 L .. R. Page ' Washln.gt(}ll o_0 .. 0 0 A 0 · ..... 0 · 0 0 0 • 0 -~ 0 .. 0 . ••• 0 0 0 0 0 • · .• 0 .. 0 0 0 .• .... 1 Q. D. _Singewald., Beltsville o. .-. • o ., .... .,_ • o .a • o •• o ... • .. " o o o o o •• .- • • • . ..... 1 A.& E~ Welssenborn,:~ -Spokane iaoo.oo•••••••••••o. oooooooo•,•••ooo!li.oooo 1 TEJ?GO, Denver .. ll ..... .• o • o. o .. o . • . o. 9 ~t. o· •· .... o. o o. o •"'.-. o "':!> •. o o o o • _o .. o o o • ;t. •• -. •• ~ • 2 -TEPCO, RPS., Wa,.sh:tngton, (including If:R3.Ster) ,._., o .• .o o o o o • ._ • o. :• ..... .. 2 CONTENTS Abstract 5 ' 7 Classification tt .(j. a ,. ~" o Q o IHHI o o o. • o o o .. o ~ o " o ... ~. o o ~ o .o o o A ~ · co o o o ~ o ~ ~. o o ~ .. 8 Mineralogy of the pr;imary ores ( un02't;id.i.zed) o ., o o o o ,o ~ . ~ . ~: o • o. o '''" .. o o cu) 14 Vanad.i.fe:r.ous ores •• o o .. o " .., .. o.,. ... ~> o, "~ ' e o ~>· o • o o o • .o .o. ·.-a.;:, 9 .,· ,.., . ... n' p o -.. • o .9; 14 Vanadi.um"'":u.ranium ratio greater tha,n. 15 ~ 1 o t. o o o Q a a Q Q a. o., o 14 VanaQ.iwn.... ura.""lium ratio between 15:1 a;ud lgl •o. ., o o" o. o., a. 18 Nonvana.dif'e:rous ores ($ , .. 0 .. Q. 0 G e 0 0 0 0. 0 0 9. 0 0 0 0 0 0 0 0 0 . • 0 ·0. 0 g, 0 () 0 0 0 0 ... 0 0 0 24 Oxidation sequence and ,mineralogy o:f vanadif'~rous urahium ores • o 27 Ea,:rly stage o:f o.xidatto:n .~> o o. o .9 o fLQ o p o ,. (). "' ~ o ...... ., q o ~ q., o. " 'o." . ~ · o. o" o 27 .C'orvusite ore, :partly !Q...Xidized o Q o a .. " ... .~ . " ., .., o. ... o o .u. o <> o .~ (l p. o ., o. " o l,i o 28 . Ca.rnotite ore , highly oxidi.:zed o o "' ., ... o ~ Q I)· Q (> • o o o P o <> ., ,. o o ... " o. o o '30 Mineralogy of QXi(tized ,1J.Q;nifanadiferC\lJ.$ u.ra:n..iu.m ores 0 0 O' 0 ,. o a 0 0 o 0 .o 0 3} ,Ur'anium .minerals o ., .. o ·~ ,9- ... {#. o .... .~ . o " . .... o o .. ii> o. o. .(t " · ., ~ .. .o ., ." .. o o o • " .......... o • 33 .Secqndary. minerals af copper ~.;nd other metals p o ., <l o o .... o o o (.j i? 35 Aesoeiated minerals p .o o .f# :o (I> o .. 'i ~ ~~> 9 o o. o o,.. j ~ ;:H• ~ o (> .... f;> ~> ... o.,. o ,11• .. "· ., o. 36 Rel.ation of' oxidatlan to water satu.rat:lon of ore o!) p.o o ~ oo •o o o o o • . «> 36 Unoxidized ore in wet mi;nes at or close to the water table ~ <;>· 0 0 .. ·"' 0 • 111. 0 • • 0 .•~ 0 0 ·" il> ~· 0 .• • 0 • ~ ... 0 ... 111. 0. 0 () a 0 .6 ..0 ~ 0 • 0 0 , 0 0 0 .i>ic ~· 0 0.. ••. 0 0 Q, 0 • 37 Partly oxidized. ·deposits, ahove the ma.in ·w-ater tab:Le but in protected lpcatiOD.$ ·where moistm•e iS held o o oo toil! ,!'> ,ao ,o.o (lo 37 Dry mines vi:th c,.xidi~ed vanadiferous ore ;. .. !1. o o .o li ... o ~ . o. o o <l • o o o o .•. 39 Qxi.da:ti.on in place o~t.•?• .o.ol). <fd. • OOO.O,<iliJI .4!. Jii :o()OOaOo. e•lll .o1&. 0C>. .Oj:fO 39 .Mod.i.fica tion. du;ring .oxidat:tOJl. 0 ~ 0 0 0 a 4 •••• 0 !>· 0 0 0 ••• 0 .. ~· o.· 0 ... 4o Ore sandrStone dlrec tly at the su.1•face o:f mesas o .., ~o. 4., o o 42 Relative stability an,d size o:f. oxid.ized deposlts !l~o~1)~o ,•~<~>O.oooo• 1tl+ Seeonrla,;ry . enrit;hment. Q o ~ o o .o. o o o o o •o" .. o ~a~» · ~ .l>" <it. l;l! .o ¢ o o ... ., o!) o ~ ~ o ~!) o. q. (J o • • 45 Time ~nd d.e})th of" oxidation o ""o o Q .d, p o o <> o. e o o. .. ., o o o ... o. • . •· o . ~ o • ,., o ,. QO iii o o o o 46 References o !), • o. e eo • .. "'• o e ..... p o o • . o 9 • o • o o o o e o • o ~· o ., .co o ., o o o- • o. .. o .o • .o o. ~ o .o o . o.. o 47 ILLUSTRATIONS Page Plate 1 Ao Prima;ry vanadiferous ore , ·Ft=tll Creek mine , Placeryllle , Colo. .., c o .... o. o e . .. o • • "' ·~~ (i o ., o <» ., o o o. o. o ·• ., .. v. o o • • 16 Prtmary va;o.adiferous ore, Garfiel.d. mine, Rtf'le, COlO. ••oeoo•ooooooeoo•o•••e• .. •••~~•••••oo~••o•~•()•o 16 2 A.o. Primary vanadium.'"'u:rsa.n.iurn ore, M.i Vi.da mine, Utah •lot. • 20 ·Bf) Py.rlte assoc iated with primary ore, Marshbank Canyon mine, Temple Mountain, Emery County, Utah o o o o o.
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