Nevada Bureau of Mines and Geology - University of Nevada, Reno

More documents

Recommendations

Info

MacKenzie, W. B., and Bookstrom, A. A. (1976) Geology of the Majuba Hill Area, Pershing County, Nevada: NBMG Bull. 86. Matson, E. J. (1948) Investigation of the Majuba Hill Copper-Tin Mine, Pershing County, Nevada: USBM RI 4378. Smith, W. C., and Gianella, V. P. (1942) Tin Deposit at Majuba Hill, Pershing County, Nevada: USGS Bull. 931-C. Southern Pacific Co. (1964) Minerals for Industry, Northern Nevada and Northwestern Utah: Vol. I, Southern Pacific Co. Land Dept., San Francisco, CA. Stevens, D. L. (1971) The Geology and Ore Deposits of the Antelope (Majuba Hill) Mining District, Pershing County, Nevada: M.S. thesis, Univ. of Nevada-Reno. Trites, A. F., and Thurston, R. H. (1958) Geology of Majuba Hill, Pershing County, Nevada: USGS Bull. 1046-1. Vanderburg, W. 0. (1936) Reconnaissance of Mining Districts in Pershing County, Nevada: USBM IC 6902. Antelope District - 3
LOCATION ANTELOPE SPRINGS DISTRICT The Antelope Springs district is located in the southern end of the Humboldt Range in T27N,R34E, Pershing County. It is accessible by paved road from Colado. HISTORY The Antelope Springs district, also known as the Relief or Pershing district, was originally explored for antimony at the Hollywood Mine in the 1800's (Johnson, 1977). High-grade silver ores were found in the original Relief Mine in 1869 and the mine was worked from the 1870's until the early 1900's producing ore valued at between $200,000 to $2,500,000. Mercury was discovered in 1907 at the Red Bird Mine. Subsequently a number of other mercury mines were discovered in the district including the Pershing, Juniper, Montgomery, Eastern Star and Lori mines. The mines have been worked on an intermittent basis, from 1914 through the 1970's. The total production exceeds 12,500 flasks of mercury. The Relief gold mine, now the only active mine in the district, was discovered in the early 1980's by exploration conducted initially by Duval Corp., and subsequently by Lacana and the Southern Pacific Co. The discovery, made in the vicinity of the old Bohannon fluorspar prospect, was put into production by Lacana in 1984. Total antimony production from the district has amounted to over 514 tons of metal from the Hollywood and Cervantite mines. Exploration is currently being conducted for gold mineralization in the vicinity of the antimony and mercury deposits. GEOLOGIC SETTING Rocks exposed in the Antelope Springs district include a section of Mesozoic rocks ranging in age from Lower Triassic to Middle Jurassic and Tertiary basaltic flows and Quaternary lacustrine and alluviul deposits. Rhyolitic volcanic rocks of the Koipato Group crop out in the northern part of the district. They are overlain to south by rocks of the Prida, Natchez Pass and Grass Valley Formations. In the southern part of the district the Grass Valley and Dun Glen Formations and the Auld Lang Syne Group are present. The Mesozoic rocks are complexly folded and faulted. The Relief fault, a lorangle thrust, extends through the northern part of the district. Rocks in the southern part of the district are thrown into a sequence of northwest trending recumbent to overturned synclines and anticlines. ORE DEPOSITS The old Relief silver mine is located in the basal member of the Prida Formation in a geologic setting similar to many of the silver deposits in the Humboldt Range. The new Relief gold mine is located in Antelope Springs District - 1
Page 1 and 2: UNIVERSITY OF NEVADA RENO NBMG OPEN
Page 3 and 4: Summary of Work Performed Index Map
Page 5 and 6: ) CRIB forms containing location an
Page 7 and 8: - /-\- /- County Line SONOMA-GER LA
Page 9: ORE DEPOSITS At the Nevada-Superior
Page 13 and 14: LOCATION ARABIA DISTRICT The Arabia
Page 15 and 16: LOCATION AWAKENING DISTRICT The Awa
Page 17 and 18: Johnson, M. G. (1973) Placer gold d
Page 19 and 20: ORE DEPOSITS The lode deposits at t
Page 21 and 22: Needham, A. B. and Trengrove, R. R.
Page 23 and 24: (Bailey and Phoenix, 1944), and flu
Page 25 and 26: ORE DEPOSITS Only two areas of mine
Page 27 and 28: LOCATION BOTTLE CREEK DISTRICT The
Page 29 and 30: the sheared rhyolite. Workings are
Page 31 and 32: quartz monzonite intrude the Havall
Page 33 and 34: Something less than 1/2 mile south-
Page 35 and 36: LOCATION DEEPHOLE DISTRICT The Deep
Page 37 and 38: adit driven into the pendant(?). If
Page 39 and 40: GEOCHEMICAL RELATIONSHIPS Gold was
Page 41 and 42: displacement in excess of 2,000 fee
Page 43 and 44: LOCATION DONNELLY DISTRICT The Donn
Page 45 and 46: LOCATION DUTCH FLAT DISTRICT For th
Page 47 and 48: SELECTED REFERENCES Bailey, E. H. a
Page 49 and 50: ORE DEPOSITS Most of the mineraliza
Page 51 and 52: shale with lesser carbonaceous lime
Page 53 and 54: Crone, W. R. (1982) The use of Fe/M
Page 55 and 56: mercury mines are of the opalite ty
Page 57 and 58: LOCATION GOLD RUN DISTRICT The Gold
Page 59 and 60: SELECTED REFERENCES Couch, B. F. an
Page 61 and 62:
At the Gayer-Moo property, very spa
Page 63 and 64:
Mineralization in the district appe
Page 65 and 66:
and dip steeply to the vest. .... A
Page 67 and 68:
LOCATION IMLAY DISTRICT The Imlay d
Page 69 and 70:
apparently did not contain cinnabar
Page 71 and 72:
LOCATION INDIAN DISTRICT The Indian
Page 73 and 74:
LOCATION IRON HAT DISTRICT The Iron
Page 75 and 76:
Southern Pacific Co. (1964) Mineral
Page 77 and 78:
silver per ton and a trace gold. Ho
Page 79 and 80:
LOCATION JACKSON MOUNTAINS DISTRICT
Page 81 and 82:
SELECTED REFERENCES Lincoln, F. C.
Page 83 and 84:
of manganese oxides occur in rocks
Page 85 and 86:
andesitic volcanic rocks that have
Page 87 and 88:
LOCATION JUNCO AREA For the purpose
Page 89 and 90:
LOCATION JUNIPER RANGE DISTRICT The
Page 91 and 92:
LOCATION KENNEDY DISTRICT The Kenne
Page 93 and 94:
Borlaasca Mines are along the main
Page 95 and 96:
LOCATION LkKE DISTRICT The Lake dis
Page 97 and 98:
Willden, R., and Speed, R. C. (1974
Page 99 and 100:
Northwest of Leadville, approximate
Page 101 and 102:
LOCATION LEONARD CREEK DISTRICT The
Page 103 and 104:
from 3.8 to 140 ppm gold. Silver va
Page 105 and 106:
ORE DEPOSITS The mineral deposits a
Page 107 and 108:
LOCATION MILL CITY (CENTRAL) MINING
Page 109 and 110:
present, and all samples showed det
Page 111 and 112:
GEOCHEMISTRY In addition to iron th
Page 113 and 114:
ORE DEPOSITS The mercury deposits a
Page 115 and 116:
Papke, K. G. (1979) Fluorspar in Ne
Page 117 and 118:
SELECTED REFERENCES Johnson, M. G.
Page 119 and 120:
minor amounts of tremolite, pyrrhot
Page 121 and 122:
LOCATION OPALITE (CORDERO) DISTRICT
Page 123 and 124:
McKee, E. 8. (1976) Origin of the M
Page 125 and 126:
LOCATION POTOSI MINING DISTRICT The
Page 127 and 128:
has been mined from two localities
Page 129 and 130:
LOCATION POVERTY PEAK DISTRICT The
Page 131 and 132:
In 1954 Sonoma Mines, Inc. acquired
Page 133 and 134:
LOCATION RABBIT HOLE DISTRICT The R
Page 135 and 136:
LOCATION RAGGED TOP DISTRICT The Ra
Page 137 and 138:
Vanderburg, W. 0. (1936) Reconnaiss
Page 139 and 140:
quartz is commonly crushed and occu
Page 141 and 142:
In the south-southwest portion of t
Page 143 and 144:
district, the silver-bearing quartz
Page 145 and 146:
LOCATION ROSEBUD DISTRICT The Roseb
Page 147 and 148:
LOCATION ROSE CREEK DISTRICT The Ro
Page 149 and 150:
LOCATION RYE PATCH DISTRICT The Rye
Page 151 and 152:
LOCATION SAN EMIDIO DESERT - LAKE R
Page 153 and 154:
"cabin" a few hundred feet. It tren
Page 155 and 156:
Page 157 and 158:
LOCATION SCOSSA DISTRICT The Scossa
Page 159 and 160:
LOCATION SEVEN TROUGHS DISTRICT The
Page 161 and 162:
tin, and one contained high molybde
Page 163 and 164:
SELECTED WFERENCES Stager, H. K. (i
Page 165 and 166:
LOCATION SIERRA DISTRICT The Sierra
Page 167 and 168:
Jones, R. B. (1984) Directory of Ne
Page 169 and 170:
of the old Spring City tovnsite. Th
Page 171 and 172:
LOCATION SPRING VALLEY DISTRICT The
Page 173 and 174:
LOCATION STAGGS DISTRICT The Staggs
Page 175 and 176:
LOCATION STAR DISTRICT The Star dis
Page 177 and 178:
Page 179 and 180:
of Tertiary sedimentary rocks, alth
Page 181 and 182:
LOCATION TABLE MOUNTAIN DISTRICT Th
Page 183 and 184:
There are two fluorspar properties
Page 185 and 186:
Wallace, R. E., Silberling, N. J.,
Page 187 and 188:
thrust fault separates two of these
Page 189 and 190:
LOCATION TOBIN ANTI SONOMA RANGE MI
Page 191 and 192:
SELECTED REFERENCES Bailey, E. H.,
Page 193 and 194:
ORE DEPOSITS The tungsten deposits
Page 195 and 196:
LOCATION TREGO HOT SPRINGS AREA The
Page 197 and 198:
SELECTED REFERENCES Kerr, P. F. (19
Page 243 and 244:
APPENDIX A
Page 245 and 246:
Sample Number 492 495 Sample Descri
Page 247 and 248:
Sample Number Location Sample Descr
Page 249 and 250:
Sample Number 1490 Location Sample
Page 251 and 252:
Sample Number Location Quad: Sulphu
Page 253 and 254:
Sample Description Sample Number Lo
Page 255 and 256:
Sample Number 2258 I Sample Descrip
Page 257 and 258:
Sample Number Sample Description Se
Page 259 and 260:
Sample Number 2319 2320 2321 2322 2
Page 261 and 262:
Sample Number 2337 2340 2341 2342 2
Page 263 and 264:
Sample Number 2358 2359 I I Quad Ad
Page 265 and 266:
Sample Number Lccation Sample Descr
Page 267 and 268:
Page 269 and 270:
Sample Number 2411 I UTM Sample Des
Page 271 and 272:
Sample Number quad: p~ Location Don
Page 273 and 274:
Sample Number Sample Description Qu
Page 275 and 276:
Page 277 and 278:
Sample Description Sample Number 1
Page 279 and 280:
Sample Number sac 2 - 31N -. R -~ 3
Page 281 and 282:
Sample Number 2554 2558 2559 25hn Q
Page 283 and 284:
Sample Number 2572 Location . Sampl
Page 285 and 286:
Sample Number 2589 25!xL-. I Locati
Page 287 and 288:
Sample Description Sample Number Lo
Page 289 and 290:
Sample Number Location Quad: Sec: S
Page 291 and 292:
Page 293 and 294:
- aJ c U .r( -d aJ L > aJ Y -4-4 M
Page 295 and 296:
Sample Number 2h70 2672 Location Sa
Page 297 and 298:
Sample Number Location auaa: L_ovel
Page 299 and 300:
Sample Number 2719 L/ZO 2721 I uTM
Page 301 and 302:
Sample Number Location I 2801 I Qua
Page 303 and 304:
Sample Number 2824 2827 Location cu
Page 305 and 306:
Page 307 and 308:
Page 309 and 310:
Sample Number Location Quad 3-aes t
Page 311 and 312:
Page 313 and 314:
Sample Number 2904 2905 I Sample De
Page 315 and 316:
Sample Number Location Quad: Fox Ru
Page 317 and 318:
Sample Number 2937 2939 --z%42- Loc
Page 319 and 320:
Sample Number 2951 Location Sample
Page 321 and 322:
Sample Number 2966 2967 Location Qu
Page 323 and 324:
Sample Number 2982 1 aul Railroad P
Page 325 and 326:
Sample Description I I Sample Numbe
Page 327 and 328:
Element Semi-Quantitative Spectrogr
Page 329 and 330:
Element Semi-Quantitative Spectrogr
Page 331 and 332:
Element Fe % (.05) Mg % (.02) Ca %
Page 333 and 334:
- , Semi-Quantitative Spectrographi
Page 335 and 336:
1 ' I Element Fe % ( 05) Mg % ( 02)
Page 337 and 338:
Element Fe % ( 05) Mg % ( 02) Ca %
Page 339 and 340:
. Semi-Quantitative Spectrographic
Page 341 and 342:
ilement r05) "' rO2) ca "5) Ti b02)
Page 343 and 344:
, Semi-Quantitative Spectrographic
Page 345 and 346:
Element Fe % (.05) Mg % (.02) Ca %
Page 347 and 348:
! Element Fe % (.05) Mg % (.02) - C
Page 349 and 350:
Semi-Quantitative Spectrographic An
Page 351 and 352:
'"05) " "2) 'a r05) Ti i!O02) hl n
Page 353 and 354:
- Semi-Quantitative Spectrographic
Page 355 and 356:
. Semi-Quantitative Spectrographic
Page 357 and 358:
Element Sr (100) i v 1 (1 01 W (50)
show all

Nevada Bureau of Mines and Geology - University of Nevada, Reno

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?