'._('einklappen').'
 

New Cornelia Mine (Ajo Mine)

Profile

Path to the site

USA / Arizona / Pima Co. / Little Ajo Mts / Ajo District / Ajo / New Cornelia Mine (Ajo Mine)

Ex­po­sure de­scrip­tion

z.Zt. ruhender, riesiger Kupfer-(Gold-Silber-Molybdän-Zink)-Tagebau. Zur Förderung wurden ca 70 km Eisenbahnlinie spiralenförmig angelegt.

Ge­ol­o­gy

Porphyrische Kupferlagerstätte. Quarz-Monzonit und Quarz-Diorit, irreguläre Pegmatit-Zonen.

En­trance Re­stric­tions

Bei Anmeldung bei Phelps Dodge Corp. Führungen mit Sammelerlaubnis möglich.

GPS Co­or­d­i­nates

New Cornelia Mine (Ajo Mine)



New Cornelia Mine (Ajo Mine)

WGS 84: 
Lat.: 32.35555555° N, 
Long: 112.865° W
WGS 84: 
Lat.: 32° 21' 20" N,
   Long: 112° 51' 54" W
Local weather information, Macrostrat geological map

Mineralienatlas short URL

https://www.mineralatlas.eu/?l=3094
Please feel free to link to this location

Shortened path specification

⚒ New Cornelia, Ajo, Little Ajo Mts, Pima Co., Arizona, US
Useful for image descriptions and collection inscriptions

Important: Before entering this or any other place of discovery you should have a permission of the operator and/or owner. Likewise it is to be respected that necessary safety precautions are kept during the visit.

Additional Functions

Images from localities (4 Images total)

New Cornelia Mine
Views (Image: 1348513973): 413
New Cornelia Mine

Die Mining Company Phelps Dodge war generell; hinsichtlich Sammelerlaubnis sehr tolerant.

Copyright: eschuhbauer
Contribution: eschuhbauer 2012-09-24
New Cornelia Mine
Views (Image: 1348265024): 407
New Cornelia Mine

hier kann man die Ausmasse abschätzen

Copyright: eschuhbauer
Contribution: eschuhbauer 2012-09-22
New Cornelia Mine
Views (Image: 1345906645): 413
New Cornelia Mine

der Minenkomplex vom Highway bei Ajo aus

Copyright: eschuhbauer
Contribution: eschuhbauer 2012-08-25

Detailed Description

aufgrund der deutlichen Erholung des Kupferpreises wird derzeit eine Wiederinbetriebnahme in Erwägung gezogen

Minerals (Count: 102)

Mineral images (58 Images total)

Malachit pseudomorph nach Azurit
Views (Image: 1267358735): 568
Malachit pseudomorph nach Azurit

Größe: 24x17x15 mm; Fundort: New Cornelia Mine, Ajo, Pima Co., Arizona, USA

Copyright: Michael Roarke
Contribution: slugslayer 2010-02-28
More   MLF 
Calcit
Views (Image: 1367174738): 367
Calcit (SNr: A007171)

Skalenoedrische farblose Kristalle mit nadeligen Cuprit-Incusionen, BB = 3,8 mm, Fundort: New Cornelia Mine, Ajo, Pima Co., Arizona, USA.

Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Münchener Micromounter 2013-04-28
More   MF 
Ajoit
Views (Image: 1367172566): 2317
Ajoit (SNr: B001280)

Langtafelige Dünne blaugrüne Kristalle, BB = 3,8 mm, Fundort: New Cornelia Mine, Ajo, Pima Co., Arizona, USA.

Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Münchener Micromounter 2013-04-28
More   MF 

Rocks (Count: 4)

Reference- and Source indication, Literature

Literatur:

  • Joralemon, I.B. (1914): The Ajo copper district, Arizona, Eng. Mining J.: 98: 663.
  • Greenway, J.C. (1920): Success after failures, the story of New Cornelia Copper Company as related informally by Col. J.C. Greenway: Arizona Mining J., v. 3, no.8, 1919, S.17.
  • Allen, A.W. (1922): Ajo enterprise of the New Cornelia Copper Company [two parts]: Eng. Mining J.-Press, [Part 1] v. 113, no.22, S.952-56; [Part 2] v. 113, no.23, S.1003-08.
  • Bell, G.A. (1930): Leaching practice and costs at the New Cornelia mines of the Calumet and Arizona Mining Company, Ajo, Arizona.: U.S. Bureau of Mines Inf. Circ. I.C. 6303, 30 S.
  • Ingham, G.R. & Barr, A.T. (1932): Mining methods and costs at the New Cornelia Branch, Phelps Dodge Corporation, Ajo, Arizona, U.S. Bureau of Mines Inf. Circ. I.C. 6666, 18 S.
  • Schwartz, G.M. (1934): Paragenesis of the oxidized ores of copper, Econ. Geol.: 29: 55-75.
  • Gilluly, J. (1937): Geology and ore deposits of the Ajo quadrangle, Arizona, Arizona Bureau of Mines Bull. 141: 68-75, 79-81.
  • Gilluly, James (1938): Ajo district, in Some Arizona ore deposits: Arizona Bureau of Mines Bull. no. 145: 86-90.
  • Gilluly, J. (1942a): Mineralization of the Ajo copper district, Arizona, Amer. Min.: 27: 222-23.
  • Gilluly, J. (1942b): The mineralization of the Ajo copper district, Arizona, Econ. Geol.: 37: 297-309.
  • Gilluly, J. (1946): The Ajo mining district, Arizona, USGS PP 209.
  • Galbraith, F.W. (1947): Minerals of Arizona, Arizona Bureau of Mines Bull. 153: 16, 17, 19.
  • Schwartz, G.M. (1947): Hydrothermal alteration in the 'porphyry copper' deposits, Arizona, Econ. Geol.: 44: 253-77.
  • Gilluly, J. (1952): Geology of the New Cornelia mine, Ajo, Arizona (abstr. J. Gilluly, in Shride, A.F., et al. ed., Guidebook for field trip excursions in S Arizona, Geol. Soc. Am., Cordilleran Section Meeting, April 10-14, 1952, Tucson, Arizona: Arizona Geol. Soc., S.58-61.
  • Schaller, W.T. & A.C. Vlisidis (1958). Ajoite, a new hydrous aluminum copper silicate, Amer. Min.: 43: 1107-11. (Typ-Publ.)
  • Schwartz, G.M. (1958). Alteration of biotite under mesothermal conditions, Econ. Geol.: 53: 164-77.
  • Galbraith, F.W. & D.J. Brennan (1959). Minerals of Arizona: 70, 75, 111.
  • Hardwick, W.R. (1960): Open-pit copper mining methods at New Cornelia Branch, Phelps Dodge Corp., Pima Co., Ariz.: U.S. Bureau of Mines Inf. Circ. I.C. 7938, 83 S.
  • Hutton, C.O. & A.C. Vlisidis (1960): Papagoite, a new copper-bearing mineral from Ajo, Arizona, Amer. Min.: 45: 599-611. (Typ-Publ.)
  • Sinkankas, J. (1964): Mineralogy for Amateurs, D. Van Nostrand Co., Inc., Princeton, NJ.
  • Guillebert, C. & M.T. Le Bihan (1965): Contributions à l'étude structurale des silicates de cuivre: Structure atomique de la papagoite, Bull. Soc. Franc. Min. Crist: 88: 119-21.
  • Dixon, D.W. (1966): Geology of the New Cornelia Mine, Ajo, Arizona, in Titley, S.R., and Hicks, C.L., editors, Geology of the porphyry copper deposits, SW North America: Tucson, Univ. Arizona Press, S.123-32.
  • Mrose, M.E. & A.C. Vlisidis (1966): Proof of the formula of shattuckite, Cu5(SiO3)4(OH)2 (abs.), Amer. Min.: 51: 266-267.
  • Vlisidis, A.C. & W.T. Schaller (1967): The formula of shattuckite. Amer. Min.: 52: 782-86.
  • May, B.T. (1968): Magnetic properties of rocks associated with the New Cornelia porphyry copper deposit, Pima Co., Arizona: Tucson, Univ. Ariz., Ph.D. diss., 159 S.
  • Wadsworth, W.B. (1968): The Cornelia pluton, Ajo, Arizona: Econ. Geol.: 63(2): 101-15.
  • Keith, Stanton B. (1974): Ariz. Bureau of Geol. & Mineral Techn., Geol. Survey Branch Bull. 189, Index of Mining Properties in Pima Co., Arizona: 83 (Table 4).
  • Wadsworth, W.B. (1974): Cornelia pluton, Arizona; petrogenesis inferred from grain-transition probabilities [abs.]: Eos, Transactions, Amer. Geophys. Union: 55(4): 485.
  • Wadsworth, W.B. (1975): Petrogenetic significance of grain-transition probabilities, Cornelia Pluton, Ajo, Arizona, in Quantitative studies in the geological sciences: Geol. Soc. Amer. Memoir 142, S.257-82.
  • Evans, H.T. & M.E. Mrose (1977): The crystal chemistry of the hydrous copper silicates, shattuckite and plancheite, Amer. Min.: 62: 491-502.
  • Arizona Pay Dirt (1979): Phelps Dodge Announces Pit Expansion that will Carry Ajo Mine Through 1980's: August, 1979: 30.
  • Arizona Pay Dirt (1980): Phelps Dodge is Constructing Moly Plant at Ajo: April, 1980: 22.
  • Arizona Pay Dirt (1981): (Supplement) Ajo, in Phelps Dodge – A Copper Centennial, 1881-1981: Summer, 1981: 64-68, 70-71, 90-91, & 180-181.
  • World Mining (1981): 1977-1980 production: Sept. 1981: 50.
  • World Mining (1982): 1981 production: Sept., 1982: 70.
  • Arizona Pay Dirt (1983): Phelps Dodge Bringing Copper Mine, Mill at Ajo Back On Line: Febr., 1983: front cover & 5A.
  • Thomas, W.J. & R.B. Gibbs (1983): Famous mineral localities: The New Cornelia mine, Ajo, Arizona, Min. Rec.: 14: 283-98.
  • Anthony, J.W., et al (1995). Mineralogy of Arizona, 3rd. ed.: 103, 113, 114, 132, 137, 142, 146, 163, 166, 174, 183, 185, 190, 196, 202, 216, 220, 233, 235, 246, 272, 286, 294, 298, 312, 316, 318, 319-320, 330, 334, 341, 347, 369, 383, 399.
  • Lieber, W. (1997): Kupfer und seine Mineralien - Messethemenheft 1997 Mineralientage München, S.35.
  • Singer, D.A., Berger, V.I. & Moring, B.C. (2008): Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. US Geol. Survey Open-File Rep. 2008-1155.
  • Lit.: thdun5

Einordnung