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:
Macusani Glass, Macusani, Carabaya Province, Puno, Peru

Oldest recorded age at locality: 7
Youngest recorded age at locality: 4.7

mindat Locality ID: 274554
mindat URL: http://www.mindat.org/loc-274554.html

Tectonic Settings:

Total number of sublocalities beneath "Macusani Glass, Macusani, Carabaya Province, Puno, Peru": 0
Total number of bottom-level sublocalities: 0

Latitude: 14°'"S
Longitude: 70°30'"W
Decimal Degree (lat, lon): -14,-70.5

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	Spinel

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 Li O Si Zn

Elements from minerals reported directly at this locality: Al Li O Si Zn

Structural Groups for minerals in this locality:
None Quartz Spinel

2 IMA Minerals at location:

Gahnite ()*	Virgilite ()*

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
Gahnite ()*	Spinel	ZnAl₂O₄	7	4.7	0		445
Virgilite ()*	Quartz	LiAlSi₂O₆	7	7	0		1

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Num	Minerals explicitely stated as having this age	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Alexandra-0107	5.23	5.01	5.12 ± 0.11	fission-track method	Age of rock	MB1		274554	Macusani Glass, Macusani, Carabaya Province, Puno, Peru	Macusani glass	Iunes et al. (2003)	10.1016/S1350-4487(03)00161-6	RM36_407
Alexandra-0108	5.21	4.99	5.10 ± 0.11	fission-track method	Age of rock	MB2		274554	Macusani Glass, Macusani, Carabaya Province, Puno, Peru	Macusani glass	Iunes et al. (2003)	10.1016/S1350-4487(03)00161-6	RM36_407
Alexandra-0109	4.7	4.7	4.7		Age of rock			274554	Macusani Glass, Macusani, Carabaya Province, Puno, Peru	Macusani glass	Iunes et al. (2003)	10.1016/S1350-4487(03)00161-6	RM36_407
Grew_Li_2019_0112	7	7	7				Virgilite	274554	Macusani Glass, Macusani, Carabaya Province, Puno, Peru	Macusani glass (not in situ), Macusani, Carabaya Province, Puno department, Peru	Cheilletz et al. (1992)	10.1016/0040-1951(92)90433-7	T205_305

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...