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:
Cascade Range, Modoc Co., California, USA

Oldest recorded age at locality: 8
Youngest recorded age at locality: 0.029

mindat Locality ID: 234348
mindat URL: http://www.mindat.org/loc-234348.html

Tectonic Settings:

Total number of sublocalities beneath "Cascade Range, Modoc Co., California, USA": 43
Total number of bottom-level sublocalities: 31

Number of Child Localities: 11
Child Localities:
Ambrose
Beaver Mountain
East Sand Butte
Huffman Butte
Lava Bed National Monument
Muldoon Mountain
Newell
South Mountain
Timbered Mountain
Tionesta
Twin Sister

Latitude: 41°46'52"N
Longitude: 120°58'58"W
Decimal Degree (lat, lon): 41.781111111111,-120.98277777778

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.

Amorphous	None	Tridymite

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: H O

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous None Tridymite

1 IMA Minerals at location:

Ice ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Ice ()*	Amorphous Tridymite	H₂O			1	163826	59

10 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Sample Source	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-52913	0.549	0.029	0.29+0.259/-0.261		52913	82916	Great Northern Railroad Deposit, East Sand Butte, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-22597	2.04	1.96	2±0.04	whole rock	22597	234443	Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-29680	8	2	5±3		29680	234443	Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-29681	2.04	1.96	2±0.04	whole rock	29681	234443	Horse Mountain, Newell, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-53068	0.549	0.029	0.29+0.259/-0.261		53068	82865	Boorman Pumice Products Company Mine, Tionesta, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-53161	0.549	0.029	0.041+0.508/-0.012		53161	82865	Boorman Pumice Products Company Mine, Tionesta, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-53123	0.549	0.029	0.29+0.259/-0.261		53123	82950	Raino Claim, Tionesta, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-52900	0.549	0.029	0.29+0.259/-0.261		52900	82980	Volcolite Association Placer Claims, Tionesta, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-53170	0.549	0.029	0.29+0.259/-0.261		53170	234439	Twin Sister, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT
NAVDAT-52946	0.549	0.029	0.29+0.259/-0.261		52946	82890	Unnamed Cinder Pit [1], Twin Sister, Cascade Range, Modoc Co., California, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...