Del Norte County, California, USA (original) (raw)

ⓘ Aragonite

Formula: CaCO3

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Union Mine (Salt Lake-California Mine), Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
French Hill Chrome Mine (French Hill deposit; Tyson Mine; J. & W. Mine), French Hill, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Arsenopyrite

Formula: FeAsS

Localities:

Upper Monkey Creek, Monkey Creek, Klamath Mountains, Del Norte County, California, USA
Shelley Creek, Lawyers Bar, Patrick Creek Mining District, Klamath Mountains, Del Norte County, California, USA

Description: Occurs in gold-quartz veins of several mines.

ⓘ Awaruite

Formula: Ni3Fe

Description: Occurs as small (0.15-1.5 mm) rounded grains in the heavy residues of sands.

ⓘ Bismuth

Formula: Bi

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Bornite

Formula: Cu5FeS4

Localities:

Hunters Luck occurrence, Monumental, Patrick Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Unspecified Cu mines [1], Copper Creek, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
French Hill, French Hill, Klamath Mountains, Del Norte County, California, USA

ⓘ Calcite

Formula: CaCO3

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Union Mine (Salt Lake-California Mine), Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Chalcanthite

Formula: CuSO4 · 5H2O

ⓘ Chalcocite

Formula: Cu2S

Localities: Reported from at least 7 localities in this region.

ⓘ Chalcopyrite

Formula: CuFeS2

Localities: Reported from at least 17 localities in this region.

ⓘ Chromite

Formula: Fe2+Cr3+2O4

Localities: Reported from at least 75 localities in this region.

ⓘ Cinnabar

Formula: HgS

Localities:

Big Boy Mine (Big Boy group; Big Boy Cinnabar group), Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Mercury group, Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Sunny Brook prospect (Sunnybrook prospect; Diamond Creek Cinnabar Company; Rockland; Riamond Creek), Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Webb Mine, High Dome, Patrick Creek Mining District, Klamath Mountains, Del Norte County, California, USA

Description: Occurs in a contact zone between serpentine and diorite.

ⓘ 'Clay minerals'

ⓘ Clinochlore

Formula: Mg5Al(AlSi3O10)(OH)8

Localities: Reported from at least 11 localities in this region.

ⓘ Clinochlore var. Chromium-bearing Clinochlore

Formula: Mg5(Al,Cr)2Si3O10(OH)8

Localities: Reported from at least 11 localities in this region.

ⓘ Cobaltite

Formula: CoAsS

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

Habit: Pyritohedral

Description: Occurs massive and as 1 mm crystals.

ⓘ Cobaltpentlandite

Formula: Co9S8

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Copper

Formula: Cu

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Keystone Mine, Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Occidental Mine (Occidental group), Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Unspecified Cr-Cu-REE occurrences [1], Crescent City, Del Norte County, California, USA

ⓘ Cuprite

Formula: Cu2O

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Unspecified Cu occurrence [2], Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Occidental Mine (Occidental group), Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Diamond

Formula: C

Description: Microscopic-sized.

ⓘ Enargite

Formula: Cu3AsS4

ⓘ 'Erionite Subgroup'

Formula: M2[Al4Si14O36] · 15H2O

ⓘ Erythrite

Formula: Co3(AsO4)2 · 8H2O

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ 'Fayalite-Forsterite Series'

Localities: Reported from at least 17 localities in this region.

ⓘ Ferrimolybdite

Formula: Fe2(MoO4)3 · nH2O

ⓘ 'Garnierite'

Localities:

Diamond Flat laterite occurrence (DF Laterite; Smith River area; DF claims Nos. 1-13), Pine Flat Mountain, Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Gasquet laterite deposit, Adams Station, Klamath Mountains, Del Norte County, California, USA

Red Mountain occurrence (Red Mountain Meadow; South Red Mountain), Rocky Saddle, Klamath Mountains, Del Norte County, California, USA

(more information)

ⓘ Glaucophane

Formula: ◻[Na2][Mg3Al2]Si8O22(OH)2

Description: Occurs as glaucophane schist.

ⓘ Goethite

Formula: α-Fe3+O(OH)

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Gold

Formula: Au

Localities: Reported from at least 52 localities in this region.

ⓘ Gold var. Electrum

Formula: (Au,Ag)

ⓘ Graphite

Formula: C

Description: Occurs as foliated plates in limestone.

ⓘ Gypsum

Formula: CaSO4 · 2H2O

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Union Mine (Salt Lake-California Mine), Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Iridium

Formula: (Ir,Os,Ru)

ⓘ Kaolinite

Formula: Al2(Si2O5)(OH)4

Localities:

Big Boy Mine (Big Boy group; Big Boy Cinnabar group), Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Webb Mine, High Dome, Patrick Creek Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Lawsonite

Formula: CaAl2(Si2O7)(OH)2 · H2O

Description: Occurs in glaucophane schist.

ⓘ 'Limonite'

ⓘ Magnesiochromite

Formula: MgCr2O4

Localities: Reported from at least 7 localities in this region.

ⓘ Magnesite

Formula: MgCO3

Localities:

French Hill Chrome Mine (French Hill deposit; Tyson Mine; J. & W. Mine), French Hill, Klamath Mountains, Del Norte County, California, USA
Camp 7 group, French Hill, Klamath Mountains, Del Norte County, California, USA

ⓘ Magnetite

Formula: Fe2+Fe3+2O4

Localities: Reported from at least 7 localities in this region.

ⓘ Malachite

Formula: Cu2(CO3)(OH)2

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Hunters Luck occurrence, Monumental, Patrick Creek Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Manganite

Formula: Mn3+O(OH)

ⓘ Marcasite

Formula: FeS2

Localities:

Schofield occurrence (Klondike), Monumental, Patrick Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Unnamed Marcasite occurrence [1], Patrick Creek, Patrick Creek Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Maucherite

Formula: Ni11As8

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Melanterite

Formula: Fe2+(H2O)6SO4 · H2O

Localities:

Union Mine (Salt Lake-California Mine), Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Melanterite var. Copper-bearing Melanterite

Formula: (Fe,Cu)SO4 · 7H2O

Colour: Greenish blue

ⓘ Mercury

Formula: Hg

Localities:

Sunny Brook prospect (Sunnybrook prospect; Diamond Creek Cinnabar Company; Rockland; Riamond Creek), Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Webb Mine, High Dome, Patrick Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Unspecified Hg occurrence [4], Rockland, Diamond Creek District, Klamath Mountains, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Unspecified Hg occurrence [1], High Dome, Patrick Creek Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Metacinnabar

Formula: HgS

ⓘ 'Monazite Group'

Formula: REE(PO4)

Description: Occurs in black beach sands as an abundant component (56 pounds/ton of concentrate).

ⓘ Muscovite

Formula: KAl2(AlSi3O10)(OH)2

ⓘ Muscovite var. Sericite

Formula: KAl2(AlSi3O10)(OH)2

ⓘ Népouite

Formula: Ni3Si2O5(OH)4

Localities:

Red Mountain occurrence (Red Mountain Meadow; South Red Mountain), Rocky Saddle, Klamath Mountains, Del Norte County, California, USA
Unnamed Ni occurrence [1], Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Lower Elk Camp Ridge deposit (Ridge claims; Ridge Nickel claims; GTR claims Nos. 1-18), Gasquet, Klamath Mountains, Del Norte County, California, USA

Description: Occurs as veins in serpentine associated with laterite.

ⓘ 'Nickel-iron'

ⓘ Offretite

Formula: KCaMg(Si13Al5)O36 · 15H2O

ⓘ Osmium

Formula: (Os,Ir,Ru)

Description: Largest nugget found in California - about 1¼ ounces.

ⓘ Osmium var. Iridosmine

Formula: (Os,Ir)

Description: Largest nugget found in California - about 1¼ ounces.

ⓘ Pentlandite

Formula: (NixFey)Σ9S8

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Union Mine (Salt Lake-California Mine), Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Platinum

Formula: Pt

Localities: Reported from at least 11 localities in this region.

Description: Placer material.

ⓘ Pyrite

Formula: FeS2

Localities: Reported from at least 10 localities in this region.

ⓘ Pyrolusite

Formula: Mn4+O2

ⓘ Pyrrhotite

Formula: Fe1-xS

Localities: Reported from at least 7 localities in this region.

ⓘ Quartz

Formula: SiO2

Localities: Reported from at least 10 localities in this region.

ⓘ 'Serpentine Subgroup'

Formula: D3[Si2O5](OH)4

Localities: Reported from at least 10 localities in this region.

ⓘ Silver

Formula: Ag

Localities:

Bears Nest occurrence, Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Occidental Mine (Occidental group), Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Sphalerite

Formula: ZnS

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Starkeyite

Formula: MgSO4 · 4H2O

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Union Mine (Salt Lake-California Mine), Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

Description: Occurs as veins in troilite.

ⓘ Starkeyite var. Iron-bearing Starkeyite

Formula: (Mg,Fe)SO4 · 4H2O

Colour: Cream-coloured

Description: Occurs as fine-grained efflorescences on troilite.

ⓘ Taenite

Formula: (Fe,Ni)

References:

Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. (1990) Handbook of Mineralogy Vol. 1 - Elements, Sulfides, Sulfosalts. Mineral Data Publishing, Tucson, Arizona.

ⓘ Talc

Formula: Mg3Si4O10(OH)2

ⓘ Tenorite

Formula: CuO

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Pearl Mine, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Occidental Mine (Occidental group), Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu6(Cu4C2+2)Sb4S12S

ⓘ Tochilinite

Formula: Fe2+5-6(Mg,Fe2+)5S6(OH)10

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Union Mine (Salt Lake-California Mine), Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Troilite

Formula: FeS

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Union Mine (Salt Lake-California Mine), Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Monument group, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Unnamed Cu claim [3], Crescent City, Del Norte County, California, USA

Description: Occurs as massive material in a shear zone of serpentine.

ⓘ Uvarovite

Formula: Ca3Cr2(SiO4)3

Localities: Reported from at least 12 localities in this region.

Description: Occurs as well-formed crystals along joints and slips.

ⓘ Valleriite

Formula: (Fe2+,Cu)4(Mg,Al)3S4(OH,O)6

Localities:

Alta Mine, Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Union Mine (Salt Lake-California Mine), Low Divide, Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA
Low Divide Mining District, Klamath Mountains, Del Norte County, California, USA

ⓘ Wollastonite

Formula: Ca3(Si3O9)

Colour: White

Description: Occurs as divergent masses.

ⓘ Zaratite

Formula: Ni3(CO3)(OH)4 · 4H2O ?

Description: Occurs coating chromite.