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:
Chennai (Madras), Tamil Nadu, India

mindat Locality ID: 34118
mindat URL: http://www.mindat.org/loc-34118.html

Tectonic Settings:

Total number of sublocalities beneath "Chennai (Madras), Tamil Nadu, India": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Coimbatore District
Pallavaram

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Beryl	Columbite	None	Pyroxene	Quartz

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 Fe Mg Nb O Si Y

Elements from minerals reported directly at this locality: Fe Nb O Y

Structural Groups for minerals in this locality:
Beryl Columbite None Pyroxene Quartz

4 IMA Minerals at location:

Cordierite ()*	Ferrosilite ()*	Quartz ()*	Samarskite-(Y) ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	1	66785	1008
Ferrosilite ()*	Pyroxene	Fe²⁺₂Si₂O₆	1	66786	84
Quartz ()*	Quartz	SiO₂	1	66785	61156
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈	0		353

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
FKM-93	Pallavaram, Chennai (Madras), Tamil Nadu, India	https://www.rockptx.com/fkm-76-to-fkm-100/#FKM-93

All locality data graciously provided by mindat.org

All age data...