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:
Hoffnungsstrahl Pegmatite, Rössing Mountains Area, Arandis, Erongo Region, Namibia

Oldest recorded age at locality: 510
Youngest recorded age at locality: 508

mindat Locality ID: 221291
mindat URL: http://www.mindat.org/loc-221291.html

Tectonic Settings:

Total number of sublocalities beneath "Hoffnungsstrahl Pegmatite, Rössing Mountains Area, Arandis, Erongo Region, Namibia": 0
Total number of bottom-level sublocalities: 0

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	Clay	Fluorite	Mica	None	Pyrite	Quartz	Topaz	Tourmaline

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 B Be Ca F Fe H K Na O S Si

Elements from minerals reported directly at this locality: Al B Be Ca F Fe H K Na O S Si

Structural Groups for minerals in this locality:
Beryl Clay Fluorite Mica None Pyrite Quartz Topaz Tourmaline

7 IMA Minerals at location:

Beryl ()*	Fluorite ()*	Muscovite ()*	Pyrite ()*	Quartz ()*
Schorl ()*	Topaz ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	510	508	4286
Fluorite ()*	Fluorite	CaF₂	510	508	9617
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	510	508	17380
Pyrite ()*	Pyrite	FeS₂	510	508	39462
Quartz ()*	Quartz	SiO₂	510	508	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	510	508	2705
Topaz ()*	Topaz	Al₂SiO₄F₂	510	508	1476

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
	Bradley_2012_154	510	508	509±1	U/Pb						Yes				255827	Roselis Mine, Rössing Mountains Area, Arandis, Erongo Region, Namibia	Rossing	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...