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Gower Gulch Mine, Zabriskie Point, Black Mountains, Amargosa Range, Inyo Co., California, USAi
Regional Level Types
Gower Gulch MineMine
Zabriskie PointPoint
Black MountainsMountain Range
Amargosa RangeMountain Range
Inyo Co.County
CaliforniaState
USACountry

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Key
Latitude & Longitude (WGS84):
36° 25' 29'' North , 116° 50' 15'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:


A former borate mine located in the NE¼SW¼ sec. 35 (at SW¼ - NW¼ margin), NE¼SE¼ sec. 35, and in the center SW¼ sec. 36, T27N, R1E, SBM, 2.3 km (1.5 miles) WNW of Zabriskie Point (coordinates of record), along Gower Gulch, on private (?) land in National Park Service wilderness land area (Death Valley National Park/Death Valley Wilderness). Owned by the U.S. Borax And Chemical Corp. MRDS database stated accuracy for this location is 1,000 meters.

NOTE: The coordinates provided are for the largest group of workings (4 adits) in sec. 35.

The Gower Gulch mining area is reached either by trail south from Golden Canyon or by following the old 1-1/2-mile-long wagon/auto road from Zabriskie Point that was built in the 1880s by the Pacific Coast Borax Company to facilitate annual assessment work on the ten claims they held in the gulch. The road led to a two-tent camp established as headquarters for men working in the area.

Approximately one-half mile southwest of Zabriskie Point and down in the gulch is a building site on the south side of the dry streambed. Timber remnants are found here in association with a sturdy rock wall, four to five feet high and relatively clear on top, structures similar to which were found at all borax sites in the Furnace Creek Wash area. Also nearby, along the side of another gully are two smaller isolated stone mounds, one two feet high, two feet wide, and seven feet long, the other three feet wide, two feet high, and ten feet long. Short exploratory tunnels have been dug into the ridges here.

Continuing west down the road, which follows the gulch streambed, numerous adits can be seen to the north and south up various gullies and washes. Another large foundation, built of crumbly clay "bricks' and about seven feet wide, showed up at another site south of the watercourse near an adit. About 1-1/2 miles down the gulch is a large group of adits (Six plus) and more stone walls. A long switchback trail extends up over the ridge to the northwest, shored up at points along the hillside. From here on to the mouth of the canyon the gulch narrows considerably, eventually ending in a high dry waterfall, so that this area would be the last place from which entrance or exit could be easily made to these claims. This is the point at which Harry Cower implies a temporary campsite was established for assessment work in the area.
Greene, 1981

Mineralization is a Miocene borate deposit (Mineral occurrence model information: Model code 260; USGS model code 35b.3; Deposit model name: lacustrine borates), hosted in rocks of the Furnace Creek Formation (evaporite, conglomerate). Some of the borates are in the gypsiferous member of the formation and dip N40-45; others are in the basal conglomerates that dip N55-60. Associated rocks include Miocene basalts. Local rocks include Tertiary nonmarine rocks, undivided.

Workings include unspecified underground openings.

NOTE: The references place this mine(s) in both secs. 35 & 36. Research of the topo maps revealed a tight group of 4 adit symbols along Gower Gulch (westernmost workings) at the coordinates listed in this file. Another single adit symbol lies further upstream of the gulch at 36.41668N, 116.83123W (in the NE¼SE¼ sec. 35). Yet another single adit symbol is further upstream (eastward) along Gower Gulch in the center SW¼ sec. 36, at 36.41899N, 116.81995W.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

Celestine
Formula: SrSO4
Reference: www.mineralsocal.org
Colemanite
Formula: Ca[B3O4(OH)3] · H2O
Reference: Korbel & Novak, 1999. Min.Encylopaedia, p.133
Gowerite
Formula: Ca[B5O8(OH)][B(OH)3] · 3H2O
Reference: www.mineralsocal.org
Gypsum
Formula: CaSO4 · 2H2O
Description: Occurs in the gypsiferous member of the Furnace Creek Formation.
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10023435.
Howlite
Formula: Ca2B5SiO9(OH)5
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 362.
Meyerhofferite
Formula: Ca2(H3B3O7)2 · 4H2O
Description: Occurs as solid balls of radiating crystals.
Reference: www.mineralsocal.org

List of minerals arranged by Strunz 10th Edition classification

Group 6 - Borates
Colemanite6.CB.10Ca[B3O4(OH)3] · H2O
Gowerite6.EC.10Ca[B5O8(OH)][B(OH)3] · 3H2O
Howlite6.CB.20Ca2B5SiO9(OH)5
Meyerhofferite6.CA.30Ca2(H3B3O7)2 · 4H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Celestine7.AD.35SrSO4
Gypsum7.CD.40CaSO4 · 2H2O

List of minerals arranged by Dana 8th Edition classification

Group 25 - ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
Triborates
Howlite25.3.5.1Ca2B5SiO9(OH)5
Group 26 - HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
Triborates
Colemanite26.3.5.1Ca[B3O4(OH)3] · H2O
Meyerhofferite26.3.2.1Ca2(H3B3O7)2 · 4H2O
Pentaborates
Gowerite26.5.8.1Ca[B5O8(OH)][B(OH)3] · 3H2O
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Celestine28.3.1.2SrSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O

List of minerals for each chemical element

HHydrogen
H ColemaniteCa[B3O4(OH)3] · H2O
H GoweriteCa[B5O8(OH)][B(OH)3] · 3H2O
H HowliteCa2B5SiO9(OH)5
H MeyerhofferiteCa2(H3B3O7)2 · 4H2O
H GypsumCaSO4 · 2H2O
BBoron
B ColemaniteCa[B3O4(OH)3] · H2O
B GoweriteCa[B5O8(OH)][B(OH)3] · 3H2O
B HowliteCa2B5SiO9(OH)5
B MeyerhofferiteCa2(H3B3O7)2 · 4H2O
OOxygen
O ColemaniteCa[B3O4(OH)3] · H2O
O CelestineSrSO4
O GoweriteCa[B5O8(OH)][B(OH)3] · 3H2O
O HowliteCa2B5SiO9(OH)5
O MeyerhofferiteCa2(H3B3O7)2 · 4H2O
O GypsumCaSO4 · 2H2O
SiSilicon
Si HowliteCa2B5SiO9(OH)5
SSulfur
S CelestineSrSO4
S GypsumCaSO4 · 2H2O
CaCalcium
Ca ColemaniteCa[B3O4(OH)3] · H2O
Ca GoweriteCa[B5O8(OH)][B(OH)3] · 3H2O
Ca HowliteCa2B5SiO9(OH)5
Ca MeyerhofferiteCa2(H3B3O7)2 · 4H2O
Ca GypsumCaSO4 · 2H2O
SrStrontium
Sr CelestineSrSO4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A) In-text Citation No.
Funk, B.G. (1942) Borates and associated minerals from Mount Blanco, Death Valley, California. Mineralogist: 10: 287.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, 7th. edition, Volume II: 362.
McAllister, James Franklin (1970) Geology of the Furnace Creek borate area, Death Valley, Inyo County, California. California Division of Mines and Geology Map Sheet 14, 9 pp.
Evans, James R., G.C. Taylor, and J.S. Rapp (1976) Mines and mineral deposits in Death Valley National Monument. California Division Mines and Geology Special Report 125: 1-61: 28.
Greene, Linda I. (1981), U.S. National Park Service, Historic Preservation Branch, Pacific Northwest/Western Team, Denver Service Center, Death Valley – Historic Resource Study – A History of Mining, Volume I (Parts 1 and 2): part 2: III. E.2.b)(5).
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 244.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10023435 & 10236277.
U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060271266.

Other Databases

Link to USGS MRDS:10023435

External Links

www.mineralsocal.org

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate
USA

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