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While externally similar shapes, these two minerals are very different inside.
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Dacite from
Resolution deposit, Superior, Pinal County, Arizona, USA


Locality type:Deposit
Classification
Type:Dacite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dacite data
Locality Data:Click here to view Resolution deposit, Superior, Pinal County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:1014827
Long-form Identifier:1:3:1014827:5
GUID (UUID V4):0
Nearest other occurrences of Dacite
4.0km (2.5 miles) ⓘMagma Mine, Superior, Pinal County, Arizona, USA
30.3km (18.8 miles) ⓘDacite Cliffs Mine, Superstition Mountain area, Pinal County, Arizona, USA
75.4km (46.9 miles) ⓘSinn Fein Mine (Sin Fin Mine; Tornado Mine; Lundquist Mine), Williamson Canyon, Cobre Grande Mountain, Aravaipa, Aravaipa Mining District, Graham County, Arizona, USA
References
Manske, S. L., & Paul, A. H. (2002). Geology of a major new porphyry copper center in the Superior (Pioneer) district, Arizona. Economic Geology, 97(2), 197-220.
 
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