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:
Marquette Co., Wisconsin, USA

Oldest recorded age at locality: 1739
Youngest recorded age at locality: 1219

mindat Locality ID: 212351
mindat URL: http://www.mindat.org/loc-212351.html

Tectonic Settings:

Total number of sublocalities beneath "Marquette Co., Wisconsin, USA": 5
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Glover Bluff
Mecan Rhyolite Quarry
Montello Granite Quarry (Montello Granite Company; Inc.)
Own Crews (MRDS - 10278010)

Latitude: 43°50'25"N
Longitude: 89°20'51"W
Decimal Degree (lat, lon): 43.840277777778,-89.3475

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.

Calcite	Clay	Mica	None	Quartz	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 C Ca H K Mg O Si Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Clay Mica None Quartz Zircon

5 IMA Minerals at location:

Calcite ()*	Dolomite ()*	Muscovite ()*	Quartz ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	1	288654	27770
Dolomite ()*	None	CaMg(CO₃)₂	1	288654	9895
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	288656	17380
Quartz ()*	Quartz	SiO₂	2	288654,288656	61156
Zircon ()*	Zircon	Zr(SiO₄)	1	288656	5251

13 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
USGS-Rb-Sr-03385	1668.87	1590.87	1629.87±39	Rb-Sr		whole rock		170242	Mecan Rhyolite Quarry, Marquette Co., Wisconsin, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-03386	1651.08	1589.08	1620.08±31	Rb-Sr		whole rock		170242	Mecan Rhyolite Quarry, Marquette Co., Wisconsin, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-03387	1668.87	1590.87	1629.87±39	Rb-Sr		whole rock		170242	Mecan Rhyolite Quarry, Marquette Co., Wisconsin, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-03388	1651.08	1589.08	1620.08±31	Rb-Sr		whole rock		170242	Mecan Rhyolite Quarry, Marquette Co., Wisconsin, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-U-Th-Pb-00778_206_238	1565	1565	1565	206_238	age of volcanism	zircon	Zircon	170242	Mecan Rhyolite Quarry, Marquette Co., Wisconsin, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00778_207_206	1739	1739	1739	207_206	age of volcanism	zircon	Zircon	170242	Mecan Rhyolite Quarry, Marquette Co., Wisconsin, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00778_207_235	1640	1640	1640	207_235	age of volcanism	zircon	Zircon	170242	Mecan Rhyolite Quarry, Marquette Co., Wisconsin, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00780_206_238	1410	1410	1410	206_238	age of intrusion	zircon	Zircon	170437	Own Crews (MRDS - 10278010), Marquette Co., Wisconsin, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00780_207_206	1737	1737	1737	207_206	age of intrusion	zircon	Zircon	170437	Own Crews (MRDS - 10278010), Marquette Co., Wisconsin, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00780_207_235	1546	1546	1546	207_235	age of intrusion	zircon	Zircon	170437	Own Crews (MRDS - 10278010), Marquette Co., Wisconsin, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00781_206_238	1219	1219	1219	206_238	age of volcanism	zircon	Zircon	170437	Own Crews (MRDS - 10278010), Marquette Co., Wisconsin, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00781_207_206	1704	1704	1704	207_206	age of volcanism	zircon	Zircon	170437	Own Crews (MRDS - 10278010), Marquette Co., Wisconsin, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00781_207_235	1407	1407	1407	207_235	age of volcanism	zircon	Zircon	170437	Own Crews (MRDS - 10278010), Marquette Co., Wisconsin, USA	USGS-U-Th-Pb	USGS-U-Th-Pb

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...