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:
Pegmatite Outcrop, Khmara Bay, Casey Bay, Napier Complex, Enderby Land, Eastern Antarctica, Antarctica

Oldest recorded age at locality: 2485
Youngest recorded age at locality: 2448

mindat Locality ID: 10483
mindat URL: http://www.mindat.org/loc-10483.html

Tectonic Settings:

Total number of sublocalities beneath "Pegmatite Outcrop, Khmara Bay, Casey Bay, Napier Complex, Enderby Land, Eastern Antarctica, Antarctica": 0
Total number of bottom-level sublocalities: 0

Latitude: 67°20'"S
Longitude: 49°0'0"E
Decimal Degree (lat, lon): -67.333333333333,49

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	Not in a structural group	Olivine	Sapphirine	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 Mg O P Si Y Zr

Elements from minerals reported directly at this locality: Al Be Mg O P Si Y Zr

Structural Groups for minerals in this locality:
None Not in a structural group Olivine Sapphirine Zircon

7 IMA Minerals at location:

Chrysoberyl ()*	Khmaralite ()*	Magnesiotaaffeite-6N'3S ()*	Sillimanite ()*	Surinamite ()*
Xenotime-(Y) ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Chrysoberyl ()*	Olivine	BeAl₂O₄	2485	2485	321
Khmaralite ()*	Sapphirine	Mg₄(Mg₃Al₉)O₄[Si₅Be₂Al₅O₃₆]	2485	2485	2
Magnesiotaaffeite-6N'3S ()*	None	Mg₂BeAl₆O₁₂	2485	2485	9
Sillimanite ()*	Not in a structural group	Al₂SiO₅	2485	2485	1516
Surinamite ()*	Sapphirine	Mg₃Al₃O(Si₃BeAlO₁₅)	2485	2485	8
Xenotime-(Y) ()*	Zircon	Y(PO₄)	2485	2485	939
Zircon ()*	Zircon	Zr(SiO₄)	2485	2485	5251

2 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_096	2464	2448	2456±8	U/Pb			zircon			Yes	Zircon			26154	Napier Complex, Enderby Land, Eastern Antarctica, Antarctica	[Ayatollah Island]	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183
	Be-00030	2485	2485	2485			high						Khmaralite, Magnesiotaaffeite-6N3S, Surinamite	Be	10483	Pegmatite Outcrop, Khmara Bay, Casey Bay, Napier Complex, Enderby Land, Eastern Antarctica, Antarctica		Hokada and Harley (2004)	10.2465/jmps.99.180	JMPS99_180

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...