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:
Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA

Oldest recorded age at locality: 3602.37
Youngest recorded age at locality: 1701.46

mindat Locality ID: 166989
mindat URL: http://www.mindat.org/loc-166989.html

Tectonic Settings:

Total number of sublocalities beneath "Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 44°47'57"N
Longitude: 95°32'39"W
Decimal Degree (lat, lon): 44.799166666667,-95.544166666667

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.

Copper	None

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: Au

Elements from minerals reported directly at this locality: Au

Structural Groups for minerals in this locality:
Copper None

1 IMA Minerals at location:

Gold ()*

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
Gold ()*	Copper	Au	3602.37	1701.46	0		30554

52 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-01462	3602.37	3322.37	3462.37±140	Rb-Sr	minimum age of metamorphic crystallization	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01463	1869.7	1869.7	1869.7	Rb-Sr	age of later metamorphism	quartz	Quartz	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01464	1977.23	1977.23	1977.23	Rb-Sr		plagioclase		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01465	1744.31	1744.31	1744.31	Rb-Sr		biotite		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01466	3602.37	3322.37	3462.37±140	Rb-Sr	minimum age of metamorphic crystallization	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01467	1754.19	1754.19	1754.19	Rb-Sr		plagioclase		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01468	1845.76	1845.76	1845.76	Rb-Sr		biotite		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01469	1881.62	1801.62	1841.62±40	Rb-Sr		pyroxene		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01470	1881.62	1801.62	1841.62±40	Rb-Sr		magnetite	Magnetite	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01471	1781.46	1701.46	1741.46±40	Rb-Sr		biotite		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01472	1781.46	1701.46	1741.46±40	Rb-Sr		plagioclase		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01473	1881.62	1801.62	1841.62±40	Rb-Sr		whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01475	3602.37	3322.37	3462.37±140	Rb-Sr	minimum age of metamorphic crystallization	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01476	1858.93	1858.93	1858.93	Rb-Sr		biotite		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01477	1869.57	1869.57	1869.57	Rb-Sr		plagioclase		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01478	3602.37	3322.37	3462.37±140	Rb-Sr	minimum age of metamorphic crystallization	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01481	3602.37	3322.37	3462.37±140	Rb-Sr	minimum age of metamorphic crystallization	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01482	3499.1	2987.1	3243.1±256	Rb-Sr	minimum age of metamorphic crystallization	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01483	3499.1	2987.1	3243.1±256	Rb-Sr	minimum age of metamorphic crystallization	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01484	3499.1	2987.1	3243.1±256	Rb-Sr	minimum age of metamorphic crystallization	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01485	1742.44	1742.44	1742.44	Rb-Sr		plagioclase		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01486	1842.66	1842.66	1842.66	Rb-Sr	age of metamorphic crystallization	biotite		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01487	3499.1	2987.1	3243.1±256	Rb-Sr	minimum age of metamorphic crystallization	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01488	2825.45	2421.45	2623.45±202	Rb-Sr	minimum age of metamorphic crystallization, initial age disturbed by later metamorphism	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01489	2825.45	2421.45	2623.45±202	Rb-Sr	minimum age of metamorphic crystallization, initial age disturbed by later metamorphism	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01491	2494.83	2494.83	2494.83	Rb-Sr		hornblende, pyroxene		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01492	2825.45	2421.45	2623.45±202	Rb-Sr	minimum age of metamorphic crystallization, initial age disturbed by later metamorphism	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01493	1745.38	1745.38	1745.38	Rb-Sr		plagioclase		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01494	1724.64	1724.64	1724.64	Rb-Sr		hornblende, pyroxene		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01495	1732.92	1732.92	1732.92	Rb-Sr		plagioclase		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01496	1732.92	1732.92	1732.92	Rb-Sr		hornblende, pyroxene		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01497	2825.45	2421.45	2623.45±202	Rb-Sr	minimum age of metamorphic crystallization, initial age disturbed by later metamorphism	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01498	1791.39	1791.39	1791.39	Rb-Sr		plagioclase		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01499	1977.23	1977.23	1977.23	Rb-Sr		hornblende, pyroxene		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01500	1976.2	1976.2	1976.2	Rb-Sr		plagioclase		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01501	1976.2	1976.2	1976.2	Rb-Sr		hornblende, pyroxene		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04516	2500	2500	250	Rb-Sr		whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04517	2500	2500	250	Rb-Sr		whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04518	2500	2500	250	Rb-Sr		whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04648	2823.45	2423.45	2623.45±200	Rb-Sr	age of intrusion	whole rock		166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-U-Th-Pb-00093_206_238	2392.4	2392.4	2392.4	206_238	age of metamorphic crystallization	zircon	Zircon	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00093_207_206	2601.2	2601.2	2601.2	207_206	age of metamorphic crystallization	zircon	Zircon	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00093_207_235	2507	2507	2507	207_235	age of metamorphic crystallization	zircon	Zircon	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00094_206_238	2387.4	2387.4	2387.4	206_238	age of metamorphic crystallization	zircon	Zircon	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00094_207_206	2605.3	2605.3	2605.3	207_206	age of metamorphic crystallization	zircon	Zircon	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00094_207_235	2507	2507	2507	207_235	age of metamorphic crystallization	zircon	Zircon	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00095_206_238	2491.7	2491.7	2491.7	206_238	age of metamorphic crystallization	zircon	Zircon	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00095_207_206	2590.4	2590.4	2590.4	207_206	age of metamorphic crystallization	zircon	Zircon	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00095_207_235	2546.5	2546.5	2546.5	207_235	age of metamorphic crystallization	zircon	Zircon	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00096_206_238	2551.2	2551.2	2551.2	206_238	age of metamorphic crystallization	zircon	Zircon	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00096_207_206	2595.8	2595.8	2595.8	207_206	age of metamorphic crystallization	zircon	Zircon	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00096_207_235	2576.1	2576.1	2576.1	207_235	age of metamorphic crystallization	zircon	Zircon	166989	Granite Falls Prospect, Yellow Medicine Co., Minnesota, 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...