112°12'0''W 112°10'0''W 112°8'0''W 112°6'0''W 112°4'0''W 112°2'0''W 112°0'0''W 111°58'0''W 398000 399000 400000 401000 402000 403000 404000 405000 406000 407000 408000 409000 410000 411000 412000 413000 414000 415000 416000 417000 418000 Tintic Mining District, 4451000 4451000 Utah and Juab Counties, Utah High-altitude AVIRIS Mapping Results 40°12'0''N 40°12'0''N Phyllosilicates, Carbonates, 4450000 4450000 Sulfates, and Sorosilicates

Sulfate Minerals (*) 4449000 4449000 alunite alunite + kaolinite +/- sericite kaolinite (75%) + alunite (25%) alunite + pyrophyllite +/- sericite 4448000 4448000 Kaolinite Group Minerals kaolinite + illite/muscovite or smectite kaolinite (well-crystallized) 4447000 4447000 kaolinite (poorly crystallized and/or impure float) 40°10'0''N halloysite 40°10'0''N dickite (*) pyrophyllite 4446000 4446000 kaolinite + pyrophyllite

Sericite Group Minerals

4445000 4445000 high-Al illite/muscovite medium-Al illite/muscovite low-Al + Fe-rich illite/muscovite L H (L = low fit x depth, H = high fit x depth) illite/muscovite +/- chlorite 4444000 4444000 illite/muscovite + pyrophyllite or kaolinite

montmorillonite (Ca + Na) 40°8'0''N montmorillonite +/- sericite, clays, alunite 4443000 4443000 (south of County Line Ridge) 40°8'0''N Mineral Assemblages with Moderate to High Acid-Neutralizing Potential:

4442000 4442000 Carbonate Minerals calcite calcite + muscovite dolomite 4441000 4441000 calcite + dolomite +/- montmorillonite calcite + kaolinite

epidote (usually occurs with calcite) 4440000 4440000 * Mapped minerals and mineral mixtures which often occur with pyrite and other sulfide minerals, 40°6'0''N indicating moderate to high potential for acid 40°6'0''N generation. 4439000 4439000

4438000 4438000 Map Information: Data Type: high-altitude AVIRIS Acquisition Date: August 5, 1998 4437000 4437000 Platform: NASA ER-2 Altitude: 65,000 feet ASL Ce Georeferencing:

da · Roll, pitch, and yaw effects removed 4436000 4436000 r · Individual flightlines georeferenced to

V USGS DRGmaps using second order 40°4'0''N al polynomial transformation

ley 40°4'0''N

4435000 4435000

4434000 4434000

4433000 4433000 Go

shen

4432000 4432000

40°2'0''N Va 40°2'0''N

ll ey

4431000 4431000

4430000 County Line Ridge 4430000

Eas

4429000 t Tinti 4429000

c Mou North Standard 40°0'0''N 4428000 nta 4428000 40°0'0''N in s

4427000 4427000

4426000 4426000

4425000 4425000

39°58'0''N North Lily 39°58'0''N 4424000 Tintic Standard 4424000 No. 2 No. 1 Eureka 4423000 4423000 Route 6 Chief No. 1 Burgin 4422000 Centennial- 4422000 Eureka Ro ute 3 Eureka Standard/ Apex 4421000 6 4421000 39°56'0''N Trixie 39°56'0''N Slag 4420000 heap 4420000 Mammoth

4419000 Dragon 4419000 Heap leach pile Silver 4418000 Swansea Pass 4418000

Tinti

Eas 39°54'0''N c 4417000 Ruby Hollow 4417000 Valley t 39°54'0''N T i

nt G

Showers ic os 4416000 4416000 Moun hen Treasure Hill area

Valle tains 4415000 4415000

Horseshoe nd Gulch y Hill Diamo

4414000 4414000

39°52'0''N 39°52'0''N 4413000 4413000

Government Canyon

4412000 Route 6 4412000

4411000 4411000

4410000 4410000 39°50'0''N 398000 399000 400000 401000 402000 403000 404000 405000 406000 407000 408000 409000 410000 411000 412000 413000 414000 415000 416000 417000 418000 112°10'0''W 112°8'0''W 112°6'0''W 112°4'0''W 112°2'0''W 112°0'0''W 111°58'0''W

Scale Kilometers 1 0 1 2 3 4 56 Miles Projection: Universal Transverse Mercator Zone 12 1 0 1 23 Spheroid: Clarke 1866 Horizontal Datum: NAD27