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:
Amis Complex, Brandberg Complex, Brandberg Area, Dâures, Erongo Region, Namibia

Oldest recorded age at locality: 145
Youngest recorded age at locality: 100

mindat Locality ID: 28841
mindat URL: http://www.mindat.org/loc-28841.html

Tectonic Settings:

Total number of sublocalities beneath "Amis Complex, Brandberg Complex, Brandberg Area, Dâures, Erongo Region, Namibia": 0
Total number of bottom-level sublocalities: 0

Latitude: 21°10'"S
Longitude: 14°30'0"E
Decimal Degree (lat, lon): -21.166666666667,14.5

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.

Amphibole	Astrophyllite	Fluorite	Monazite	None	Pyroxene	Rutile	Scheelite	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: Ca Ce F Fe H K Mo Na O P Pb Si Sn Th Ti Y Zr

Elements from minerals reported directly at this locality: Ca Ce F Fe H K Mo Na O P Pb Si Sn Th Ti Y Zr

Structural Groups for minerals in this locality:
Amphibole Astrophyllite Fluorite Monazite None Pyroxene Rutile Scheelite Zircon

12 IMA Minerals at location:

Aegirine ()*	Arfvedsonite ()*	Astrophyllite ()*	Cassiterite ()*	Dalyite ()*
Fluorite ()*	Monazite-(Ce) ()*	Rutile ()*	Thorite ()*	Wulfenite ()*
Xenotime-(Y) ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	145	100	1022
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	145	100	295
Astrophyllite ()*	Astrophyllite	K₂NaFe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F	145	100	161
Cassiterite ()*	Rutile	SnO₂	145	100	5171
Dalyite ()*	None	K₂ZrSi₆O₁₅	145	100	15
Fluorite ()*	Fluorite	CaF₂	145	100	9617
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	145	100	945
Rutile ()*	Rutile	TiO₂	145	100	5614
Thorite ()*	Zircon	Th(SiO₄)	145	100	1006
Wulfenite ()*	Scheelite	PbMoO₄	145	100	1655
Xenotime-(Y) ()*	Zircon	Y(PO₄)	145	100	939
Zircon ()*	Zircon	Zr(SiO₄)	145	100	5251

1 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
	ree-00483	145	100	Early Cretaceous											28841	Amis Complex, Brandberg Complex, Brandberg Area, Dâures, Erongo Region, Namibia	Amis Complex	Orris and Grauch (2002)		USGSOFR02_189

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...