Show DOWNS PARK AREA CONTAINS CONTA GOOD ORE SHOWINGS by ray E colton collon of the interesting areas from the viewpoint of actual and potential mineral deposits here jn in uintah county J is s the which includes browns park area red creek jessie ewing and willow creek canyons con the geology in the rocks of the area consists of a series of pre cambrian and ana an quart termed as the red creek formation overlying these strata in the jessie ewing canyon in the uintah Q quartzite uart elte eite which which consists cs of 50 75 feet of coarse conglomerate which is found to be overlaid by red ferruginous and these are again overlaid by a series of red quartzite qu artrite the old er and quart are c cut by dikes and in at the T j j awk r k k k saly valy lk l k jessie ewing canyon locally by small dikes which are evidently precambrian pr in origin and have an estimated geologic antiquity of approximately years or more faults ana fissures necked f with the ore deposits pos in the ebee jesse i ang ewing eyo canyon strike ri to in general to the nor non northeast north th east cast about parallel to the schist rocks part of the faulting of this tys area a afa enk end appears eak on the 1 basis l of field r 1 geologic study sudy ta to be than the der del deposits of the red quart but it is also probable that th the e fissuring con with the ore are deposits is of an earlier geologic era many 0 of f the fissures are found to be occupied by the dikes the ore deposits arc are very commonly irregular veins of or quartz and carbonate carrying the minerals the copper sulphides sulp hides which have been developed in this area are arc in the main bonite and cocile uranium deposits in some of the ore deposits lo 10 bated nahe in the red creek canyon area of daggett county and also in the browns park area a small amount of camo tite is found the valuable wartime war time ore uranium is mined from car kotite therefore these findings are of utmost importance in any national defense planning ouy ouray A area azea in the ouray area of uintah county near the junction of green and duchesne rivers copper ore is found in 1910 a leaching plant was completed by the mining company on green gre en river riv er about 5 miles s below belo beio w ouray utah consolidated rocks W T acu afsa aka of this region from the view point of geology are all of the tertiary tertiary iary tary category ate erv and belong to the eocene bridger formations they were found during field examination by the writer to c consist onT of anter inter bedded bedd beda ed sa and at some horizons rather thick sandstone beds over laid by thick shale beas beds are in evidence at other horizons there are alternating thin bedd beds beds of sandstone and shale the sedi tary rocks of the area are nearly arny anny ariy horizontal and there pears to be little faulting fissuring is most conspicuous con the fissures have been filled I 1 with wi thal gilsonite sonne the org ore depo deposits sits gits are 45 4 5 mile miles north and 34 3 4 miles of the mining com banys old olds mill rill also some ore veins are j close to ouray utah in the general area the typical occurrence of copper ore in iri the area is in sandstone in close with plant remains of long vanished geologic per periods lods and remains remain s have been part and part carbon earbon zed th the car bonded portion have been part ly replaced by mirl miri erp I 1 x id 14 the only copper sulphide recognized in r the aren urea but the tho rather abundant oxide of or iron which Is associated socia ted with some of the co copper carbonate suggests that the original copper mineral muy may have been in part rt at least or the replacement of large fragments of prehistoric plants has produced small bodies of rather high grade ore and the replacement rient of small fragments scattered through the sandstone hns has pro di ducca eed ced low grade ore the tid ore r bodies outcrop as 1 narrow b bands along I 1 a 11 cliff or where the surface chances to be eroded just down to the cop per bea bearing ring strata and these those strew trew the tho surface with copper tre ore over a considerably consid consider erabIA abia ablA area in 1017 molybdenum ores were wore reported A I 1 is covered 2 miles west of geef obray 9 U utah tah on the south side ofine fa Duches duchesne besne nc river A reno report r t iby y W T shaller 19 1917 17 W atter that the deposits we were r i in nt fineral ilse liso a hydrous sulphide described chemically as follows SO 3 5 ha 0 01 little split mountain area this area is located in the eastern part of uintah county where the green grec n river crosses the utah colorado state line copper was discovered here in 1896 and in 1899 five tons of concentrate which was prodoc ed by hand ore was shipped to park city utah and was reported as to have yield cd ed 56 per cent copper an and 69 ounces of silver per ton copper carboni tc and occur in a sandstone in t the he area eight feet thick above two scams of coal which are 6 68 8 inches in thickness and 1012 10 12 feet apart above the copper bearing sandstone is a white bed about two feet in width gold is reported from the base of the copper beaning bearing stand stone yes uintah county has many mineral deposits but awaiting the miners pick and the prospectors faith to open up these new avenues of cedono economic and financial reserves |