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:
Hamilton Mound, Adams Co., Wisconsin, USA

Oldest recorded age at locality: 2343
Youngest recorded age at locality: 1429

mindat Locality ID: 51636
mindat URL: http://www.mindat.org/loc-51636.html

Tectonic Settings:

Total number of sublocalities beneath "Hamilton Mound, Adams Co., Wisconsin, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 44°9'57"N
Longitude: 89°43'9"W
Decimal Degree (lat, lon): 44.165833333333,-89.719166666667

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.

None	Quartz	Tourmaline

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al B Fe H Na O Si

Elements from minerals reported directly at this locality: Al B Fe H Na O Si

Structural Groups for minerals in this locality:
None Quartz Tourmaline

2 IMA Minerals at location:

Quartz ()*	Schorl ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Quartz ()*	Quartz	SiO₂	2343	1429	0		61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	2343	1429	0		2705

2 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	USGS-Rb-Sr-06980	2343	1539	1941±402	Rb-Sr	age of intrusion		whole rock							51636	Hamilton Mound, Adams Co., Wisconsin, USA		USGS-Rb-Sr		USGS-Rb-Sr
	USGS-Rb-Sr-06981	1735	1429	1582±153	Rb-Sr	age of metamorphic crystallization									51636	Hamilton Mound, Adams Co., Wisconsin, USA		USGS-Rb-Sr		USGS-Rb-Sr

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...