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:
Longvale, Coastal Range, Mendocino Co., California, USA

mindat Locality ID: 219864
mindat URL: http://www.mindat.org/loc-219864.html

Tectonic Settings:

Total number of sublocalities beneath "Longvale, Coastal Range, Mendocino Co., California, USA": 12
Total number of bottom-level sublocalities: 10

Number of Child Localities: 9
Child Localities:
Hell's Half Acre Quarry
North Of Longvale
Rose Mine
Rowlison Prospect
State Route 162 (Covelo Road)
Unnamed Howieite-Deerite-Zussmanite Occurrence (1)
Unnamed Mn Occurrence (3)
Unnamed Mn Occurrence (5)
Wishbone Claim (Graham Claim)

Latitude: 39°35'23"N
Longitude: 123°24'2"W
Decimal Degree (lat, lon): 39.589722222222,-123.40055555556

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	Clay	Clinozoisite	Epidote	Lawsonite	Mica	None	Pyroxene	Quartz	Rutile
Stilpnomelane	Titanite	Vesuvianite

Bornite ()*	Clinozoisite ()*	Deerite ()*	Enstatite ()*	Ferro-glaucophane ()*
Glaucophane ()*	Howieite ()*	Lawsonite ()*	Lennilenapeite ()*	Muscovite ()*
Pyrolusite ()*	Quartz ()*	Rutile ()*	Stilpnomelane ()*	Titanite ()*
Vesuvianite ()*	Zoisite ()*	Zussmanite ()*

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 Cu F Fe H K Mg Mn Na O S Si Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Clay Clinozoisite Epidote Lawsonite Mica None Pyroxene Quartz Rutile
Stilpnomelane Titanite Vesuvianite

18 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Bornite ()*	None	Cu₅FeS₄	1	163560	5516
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1	163560	1025
Deerite ()*	None	Fe²⁺₆Fe³⁺₃(Si₆O₁₇)O₃(OH)₅	1	163566	27
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	1	163565	944
Ferro-glaucophane ()*	Amphibole	Na₂(Fe²⁺₃Al₂)Si₈O₂₂(OH)₂	1	163561	26
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂	1	163560	286
Howieite ()*	None	Na(Fe²⁺,Fe³⁺,Al,Mg)₁₂(Si₆O₁₇)₂(O,OH)₁₀	2	163560,163566	16
Lawsonite ()*	Lawsonite	CaAl₂(Si₂O₇)(OH)₂·H₂O	3	163560,163561,163565	121
Lennilenapeite ()*	Stilpnomelane Clay	K₇(Mg,Mn²⁺,Fe²⁺,Zn)₄₈(Si,Al)₇₂(O,OH)₂₁₆·16H₂O	1	163561	3
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	163565	17380
Pyrolusite ()*	Rutile	MnO₂	3	163562,163563,163569	3106
Quartz ()*	Quartz	SiO₂	2	163561,163566	61156
Rutile ()*	Rutile	TiO₂	1	163560	5614
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	1	163566	456
Titanite ()*	Titanite	CaTi(SiO₄)O	1	163565	4899
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	1	163565	1395
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1	163565	1025
Zussmanite ()*	Clay	K(Fe,Mg,Mn)₁₃(Si,Al)₁₈O₄₂(OH)₁₄	1	163566	5

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...