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:
Koss Pit, Nine Mile Pluton, Wausau Intrusive Complex, Marathon Co., Wisconsin, USA

Oldest recorded age at locality: 1490
Youngest recorded age at locality: 1410

mindat Locality ID: 145722
mindat URL: http://www.mindat.org/loc-145722.html

Tectonic Settings:

Total number of sublocalities beneath "Koss Pit, Nine Mile Pluton, Wausau Intrusive Complex, Marathon Co., Wisconsin, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 44°51'14"N
Longitude: 89°46'2"W
Decimal Degree (lat, lon): 44.853888888889,-89.767222222222

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.

Apatite	Calcite	Columbite	Corundum	Feldspar	Fluorite	None	Not in a structural group	Phenakite	Quartz
Rhabdophane	Rutile	Titanite	Zircon

Albite ()*	Anatase ()*	Bertrandite ()*	Cassiterite ()*	Columbite-(Fe) ()*
Columbite-(Mn) ()*	Fluorapatite ()*	Fluorite ()*	Grayite ()*	Ilmenite ()*
Ixiolite ()*	Phenakite ()*	Polycrase-(Y) ()*	Quartz ()*	Rhabdophane-(Ce) ()*
Rutile ()*	Samarskite-(Y) ()*	Siderite ()*	Tantalite-(Fe) ()*	Tantalite-(Mn) ()*
Thalénite-(Y) ()*	Titanite ()*	Xenotime-(Y) ()*	Zircon ()*

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 Be C Ca Ce F Fe H Mn Na Nb O P Pb Si Sn Ta Th Ti Y Zr

Elements from minerals reported directly at this locality: Al Be C Ca Ce F Fe H Mn Na Nb O P Pb Si Sn Ta Th Ti Y Zr

Structural Groups for minerals in this locality:
Apatite Calcite Columbite Corundum Feldspar Fluorite None Not in a structural group Phenakite Quartz
Rhabdophane Rutile Titanite Zircon

24 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1490	1410	8803
Anatase ()*	Not in a structural group	TiO₂	1490	1410	2162
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	1490	1410	606
Cassiterite ()*	Rutile	SnO₂	1490	1410	5171
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆	1490	1410	518
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆	1490	1410	289
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1490	1410	2740
Fluorite ()*	Fluorite	CaF₂	1490	1410	9617
Grayite ()*	Rhabdophane	(Th,Pb,Ca)(PO₄)·H₂O	1490	1410	17
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1490	1410	5433
Ixiolite ()*	Columbite	(Ta_2/3Mn²⁺_1/3)O₂	1490	1410	148
Phenakite ()*	Phenakite	Be₂(SiO₄)	1490	1410	326
Polycrase-(Y) ()*	Columbite	Y(Ti,Nb)₂(O,OH)₆	1490	1410	121
Quartz ()*	Quartz	SiO₂	1490	1410	61156
Rhabdophane-(Ce) ()*	Rhabdophane	Ce(PO₄)·H₂O	1490	1410	66
Rutile ()*	Rutile	TiO₂	1490	1410	5614
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	1490	1410	353
Siderite ()*	Calcite	Fe(CO₃)	1490	1410	6417
Tantalite-(Fe) ()*	Columbite	Fe²⁺Ta₂O₆	1490	1410	99
Tantalite-(Mn) ()*	Columbite	Mn²⁺Ta₂O₆	1490	1410	211
Thalénite-(Y) ()*	None	Y₃Si₃O₁₀F	1490	1410	26
Titanite ()*	Titanite	CaTi(SiO₄)O	1490	1410	4899
Xenotime-(Y) ()*	Zircon	Y(PO₄)	1490	1410	939
Zircon ()*	Zircon	Zr(SiO₄)	1490	1410	5251

1 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
	Bradley_2012_031	1490	1410	1450±40	U/Pb			monazite			Yes				144223	Nine Mile Pluton, Wausau Intrusive Complex, Marathon Co., Wisconsin, USA	Nine Mile Pluton	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...