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:
Pokhabikha River Valley, Slyudyanka (Sludyanka), Lake Baikal Area, Irkutsk Oblast, Russia

Oldest recorded age at locality: 481
Youngest recorded age at locality: 481

mindat Locality ID: 275165
mindat URL: http://www.mindat.org/loc-275165.html

Tectonic Settings:

Total number of sublocalities beneath "Pokhabikha River Valley, Slyudyanka (Sludyanka), Lake Baikal Area, Irkutsk Oblast, Russia": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Kaber's Pit

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Clay	Corundum	Garnet	Mica	None	Quartz	Spinel	Tourmaline

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 B Ca Cr Fe H K Mg Na O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Clay Corundum Garnet Mica None Quartz Spinel Tourmaline

8 IMA Minerals at location:

Chromite ()*	Chromium-dravite ()*	Chromphyllite ()*	Eskolaite ()*	Muscovite ()*
Phlogopite ()*	Quartz ()*	Uvarovite ()*

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
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	481	481	1	102114	3902
Chromium-dravite ()*	Tourmaline	NaMg₃Cr₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	481	481	1	102114	6
Chromphyllite ()*	Mica	KCr₂(AlSi₃O₁₀)(OH)₂	481	481	1	102114	6
Eskolaite ()*	Corundum	Cr₂O₃	481	481	1	102114	30
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	481	481	1	102114	17380
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	481	481	1	102114	2273
Quartz ()*	Quartz	SiO₂	481	481	1	102114	61156
Uvarovite ()*	Garnet	Ca₃Cr₂(SiO₄)₃	481	481	1	102114	212

2 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Cr-00031	481	481		U-Pb						Yes		Chromite, Chromphyllite, Eskolaite, Florensovite, Kalininite, Magnesiochromite, Uvarovite, Cuprokalininite, Oxy-chromium-dravite, Vanadio-oxy-chromium-dravite	Cr	8185	Pereval Marble Quarry, Slyudyanka (Sludyanka), Lake Baikal Area, Irkutsk Oblast, Russia		Kotov et al. (1997)		P5_338
	Cr-00030	481	481										Chromium-dravite, Chromite, Chromphyllite, Eskolaite, Uvarovite	Cr	20554	Kaber's Pit, Pokhabikha River Valley, Slyudyanka (Sludyanka), Lake Baikal Area, Irkutsk Oblast, Russia		Kotov et al. (1997)		P5_338

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...