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:
Håøya West, Håøya, Langesundsfjorden, Porsgrunn, Telemark, Norway

mindat Locality ID: 187809
mindat URL: http://www.mindat.org/loc-187809.html

Tectonic Settings:

Total number of sublocalities beneath "Håøya West, Håøya, Langesundsfjorden, Porsgrunn, Telemark, Norway": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Skutevik

Latitude: 59°1'18"N
Longitude: 9°48'35"E
Decimal Degree (lat, lon): 59.021666666667,9.8097222222222

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.

Feldspar	Natrolite	None	Pyroxene	Tridymite	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 Ca Fe H K Na O Si Zr

Elements from minerals reported directly at this locality: Al H Na O Si Zr

Structural Groups for minerals in this locality:
Feldspar Natrolite None Pyroxene Tridymite Zircon

6 IMA Minerals at location:

Aegirine ()*	Gonnardite ()*	Microcline ()*	Natrolite ()*	Nepheline ()*
Zircon ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1	93899	1022
Gonnardite ()*	Natrolite	(Na,Ca)₂(Si,Al)₅O₁₀·3H₂O	1	93899	167
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	93899	4924
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	0		1236
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	1	93899	884
Zircon ()*	Zircon	Zr(SiO₄)	0		5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...