Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

Only display mineral occurrences with a max age below: and a max age above:

Alternately, only display mineral occurrences without an age:

This page displays localities at which this mineral is found, and estimates of the oldest possible geologic age of the mineral at these localities.

Minerals queried: Olmsteadite

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			Max Age (Ma)	Min Age (Ma)	mindat ID	Locality containing Mineral	Country	Tectonic Settings	Dated Locality ID	Dated Locality (Max Age)	Reference (Max Age)	Reference (Min Age)	Excel ID (Max Age)	Excel ID (Min Age)	Query Minerals	# of Query Minerals at Locality	Lat Deg	Lat Min	Lat Sec	Lon Deg	Lon Min	Lon Sec	Decimal Degree
		P	1700	1700	3366	USA	USA				AM75_631	AM75_631	Alexandra-0372	Alexandra-0372	Olmsteadite	1	37	49	12	-83	-42	-49	37.82,-83.713611111111
		P	1700	1700	4104	South Dakota, USA	USA				AM75_631	AM75_631	Alexandra-0372	Alexandra-0372	Olmsteadite	1	43	58	2	-100	-5	-32	43.967222222222,-100.09222222222
		P	1700	1700	17377	Pennington Co., South Dakota, USA	USA				AM75_631	AM75_631	Alexandra-0372	Alexandra-0372	Olmsteadite	1	43	56	36	-103	-19	-33	43.943333333333,-103.32583333333
		P	1700	1700	4113	Keystone District, Pennington Co., South Dakota, USA	USA				AM75_631	AM75_631	Alexandra-0372	Alexandra-0372	Olmsteadite	1	43	52	55	-103	-24	-8	43.881944444444,-103.40222222222
	R	P	1700	1700	47562	Glendale, Keystone District, Pennington Co., South Dakota, USA	USA		122418	Black Elk Peak (Harney Peak), Pennington Co., South Dakota, USA	AM75_631	AM75_631	Alexandra-0372	Alexandra-0372	Olmsteadite	1	43	48	12	-103	-27	-1	43.803333333333,-103.45027777778
MD	R	Y	1700	1700	4105	Big Chief Mine (Johnson Pegmatite), Glendale, Keystone District, Pennington Co., South Dakota, USA	USA		122418	Black Elk Peak (Harney Peak), Pennington Co., South Dakota, USA	AM75_631	AM75_631	Alexandra-0372	Alexandra-0372	Olmsteadite	1	43	51	54	-103	-22	-55	43.865,-103.38194444444
MD	R	Y	1700	1700	30145	Hesnard Mine, Keystone District, Pennington Co., South Dakota, USA	USA		122418	Black Elk Peak (Harney Peak), Pennington Co., South Dakota, USA	AM75_631	AM75_631	Alexandra-0372	Alexandra-0372	Olmsteadite	1	0	0	0	0	0	0	0,0
		P	1700	1700	23065	Keystone, Keystone District, Pennington Co., South Dakota, USA	USA				AM75_631	AM75_631	Alexandra-0372	Alexandra-0372	Olmsteadite	1	43	53	7	-103	-25	-14	43.885277777778,-103.42055555556
MD	R	Y	1700	1700	4114	White Cap Mine (King Mica Mine; Primer Lode), Keystone, Keystone District, Pennington Co., South Dakota, USA	USA		122418	Black Elk Peak (Harney Peak), Pennington Co., South Dakota, USA	AM75_631	AM75_631	Alexandra-0372	Alexandra-0372	Olmsteadite	1	43	52	45	-103	-24	-20	43.879166666667,-103.40555555556

This mineral directly occurs at 3 localities (3 localities according to mindat, 9 localities if parents are counted as well)
Of the 3 localities at which this mineral occurs, 3 have an age. (9 of the 9 parent localities have ages)

MD	The mineral occurs at this locality according to MED, but does not have an age yet.
MD	The mineral occurs at this locality according to MED, and has an age.
	The mineral occurs at some child of this locality.
	The locality at which the mineral occurs does not have an age...this is the closest parent locality with an age, relative to that mineral. This is not ideal.

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

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If a locality has both a GPS coordinate, and either contains or has at least one child locality containing at least one of the minerals listed above, then this map displays a single marker for that locality.

This bottom-level locality is directly dated. (0 total)

This locality is directly dated, but is not bottom-level. (0 total)

This locality is not directly dated, and is not bottom-level. (6 total)

This bottom-level locality has an age assigned to it from some other locality. (3 total)

This locality does not have an age assigned to it. (0 bottom-level + 0 top/mid-level = 0 total)

All locality data graciously provided by mindat.org

All age data...

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