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Inverness Ridge (Point Reyes Hill), Point Reyes Cape, Marin County, California, USAi
Regional Level Types
Inverness Ridge (Point Reyes Hill)Ridge
Point Reyes CapeCape
Marin CountyCounty
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
38° 6' 6'' North , 122° 53' 8'' West
Latitude & Longitude (decimal):
38.10167,-122.88583
GRN:
N26W70
Type:
Ridge
Köppen climate type:
Csb : Warm-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Inverness1,304 (2011)2.5km
Point Reyes Station848 (2011)7.8km
Tomales204 (2011)16.2km
Dillon Beach283 (2011)18.0km
Lagunitas-Forest Knolls1,819 (2011)19.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Santa Rosa Mineral And Gem Society, Inc.Santa Rosa, California41km
Mindat Locality ID:
217701
Long-form identifier:
mindat:1:2:217701:7
GUID (UUID V4):
0


A N-S-trending ridge. The western ridge of the San Andreas fault system.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

6 valid minerals.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Apophyllite Group'
Formula: AB4[Si8O20]X · 8H2O
Colour: Colourless
Description: Occurs as transparent glassy crystals 1 to 2 mm in size in fissures of a quartzite.
ⓘ Calcite
Formula: CaCO3
ⓘ Graphite
Formula: C
ⓘ Native Gold
Formula: Au
Description: Placer material.
ⓘ Scheelite
Formula: Ca(WO4)
Description: Occurs as crystals, some to ¼ inch (0.612 cm) diameter in situ.
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
Description: Occurs in schists on the shore of the bay.
ⓘ Wollastonite
Formula: Ca3(Si3O9)
Description: Occurs as crystals and layers in schist.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
ⓘGraphite1.CB.05aC
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘScheelite7.GA.05Ca(WO4)
Group 9 - Silicates
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘWollastonite9.DG.05Ca3(Si3O9)
Unclassified
ⓘ'Apophyllite Group'-AB4[Si8O20]X · 8H2O

List of minerals for each chemical element

HHydrogen
Hⓘ Apophyllite GroupAB4[Si8O20]X · 8H2O
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
CCarbon
Cⓘ CalciteCaCO3
Cⓘ GraphiteC
OOxygen
Oⓘ Apophyllite GroupAB4[Si8O20]X · 8H2O
Oⓘ CalciteCaCO3
Oⓘ ScheeliteCa(WO4)
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ WollastoniteCa3(Si3O9)
MgMagnesium
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
SiSilicon
Siⓘ Apophyllite GroupAB4[Si8O20]X · 8H2O
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ WollastoniteCa3(Si3O9)
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ ScheeliteCa(WO4)
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caⓘ WollastoniteCa3(Si3O9)
WTungsten
Wⓘ ScheeliteCa(WO4)
AuGold
Auⓘ Native GoldAu

Localities in this Region

USA
USA

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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