Mineral Evolution Database

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

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
American Mammoth, Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA

Oldest recorded age at locality: 27.82
Youngest recorded age at locality: 23.03

mindat Locality ID: 118440
mindat URL: http://www.mindat.org/loc-118440.html

Tectonic Settings:

Total number of sublocalities beneath "American Mammoth, Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°17'44"N
Longitude: 106°7'56"W
Decimal Degree (lat, lon): 38.295555555556,-106.13222222222

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.

No IMA Minerals occur at this locality according to mindat

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Age from other Locality	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference DOI	Reference ID	Age Notes
Hg-00100	27.82	23.03	mid to late Oligocene	?-?	Volcanism and Caldera development	Yes	Mazzettiite	Hg	50124	Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA	Pride and Hasenohr (1983)	10.1016/0375-6742(83)90034-1	JGE19_405
Hg-00100a	27.8	27.8	27.8	?-?		Yes	Mazzettiite	Hg, Au, Ag, Pb, Zn	50124	Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA	Rose and Pride (2010)		GSAAP42_54	Eruption of the Bonanza tuff 27.8 ma preceded caldera formation and development of gold, silver, lead, zinc, and copper mineralization in the Bonanza region
Mo-00256	27.82	23.03	mid to late Oligocene	?-?	Volcanism and Caldera development	Yes	Molybdenite	Mo	50124	Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA	Pride and Hasenohr (1983)	10.1016/0375-6742(83)90034-1	JGE19_405
Mo-00256a	27.8	27.8	27.8	?-?		Yes	Molybdenite	Mo, Au, Ag, Pb, Zn	50124	Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA	Rose and Pride (2010)		GSAAP42_54	Eruption of the Bonanza tuff 27.8 ma preceded caldera formation and development of gold, silver, lead, zinc, and copper mineralization in the Bonanza region

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...