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:
Rocky Pass, Kuiu Island, Sitka, Alaska, USA

mindat Locality ID: 3289
mindat URL: http://www.mindat.org/loc-3289.html

Tectonic Settings:

Total number of sublocalities beneath "Rocky Pass, Kuiu Island, Sitka, Alaska, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Barite Localitiy

Latitude: 56°40'38"N
Longitude: 133°44'20"W
Decimal Degree (lat, lon): 56.677222222222,-133.73888888889

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.

Baryte	Calcite	Mordenite	Natrolite	None	Not in a structural group	Quartz	Stilbite

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 Ba C Ca H K Mn Na O S Si

Elements from minerals reported directly at this locality: Al C Ca H K Na O Si

Structural Groups for minerals in this locality:
Baryte Calcite Mordenite Natrolite None Not in a structural group Quartz Stilbite

9 IMA Minerals at location:

Barrerite ()*	Baryte ()*	Calcite ()*	Laumontite ()*	Mordenite ()*
Quartz ()*	Romanèchite ()*	Scolecite ()*	Stilbite-Ca ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Barrerite ()*	Stilbite	Na₂(Si₇Al₂)O₁₈·6H₂O	0		23
Baryte ()*	Baryte	Ba(SO₄)	1	133501	11547
Calcite ()*	Calcite	Ca(CO₃)	0		27770
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	0		1271
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O	0		405
Quartz ()*	Quartz	SiO₂	0		61156
Romanèchite ()*	None	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀	1	133501	312
Scolecite ()*	Natrolite	Ca(Si₃Al₂)O₁₀·3H₂O	0		390
Stilbite-Ca ()*	Stilbite	NaCa₄(Si₂₇Al₉)O₇₂·28H₂O	0		268

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...