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Upper Bear Gulch, Tinton pegmatite District, Lawrence Co., South Dakota, USA

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Location is approximate, estimate based on other nearby localities.
Latitude & Longitude (WGS84): 44° North , 103° West (est.)
Margin of Error:~10km
Locality type:Gulch
Köppen climate type:Dfb : Warm-summer humid continental climate

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Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

1 valid mineral. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Tantalite-(Fe) (TL)
Formula: FeTa2O6
Description: As inclusions in tapiolite-(Fe).
Reference: Černý,P., Ercit, T. S & Wise, M. A. (1992) The tantalite-tapiolite gap; natural assemblages versus experimental data. Canadian Mineralogist. 30: 587-596; Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Tantalite-(Fe)' (TL)4.DB.35FeTa2O6

List of minerals arranged by Dana 8th Edition classification

Tantalite-(Fe) (TL)

List of minerals for each chemical element

O Tantalite-(Fe)FeTa2O6
Fe Tantalite-(Fe)FeTa2O6
Ta Tantalite-(Fe)FeTa2O6


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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Černý,P., Ercit, T. S & Wise, M. A. (1992) The tantalite-tapiolite gap; natural assemblages versus experimental data. Canadian Mineralogist. 30: 587-596 [tantalite-(Fe) from Upper Bear Gulch used in the study]

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