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:
Bechyně, Tábor District, South Bohemian Region, Czech Republic

Oldest recorded age at locality: 337.6
Youngest recorded age at locality: 332

mindat Locality ID: 231365
mindat URL: http://www.mindat.org/loc-231365.html

Tectonic Settings:

Total number of sublocalities beneath "Bechyně, Tábor District, South Bohemian Region, Czech Republic": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Březnice

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.

Beryl	Chlorite	Clay	Feldspar	Garnet	Mica	None	Quartz

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 Be H K Mg Mn Na O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Beryl Chlorite Clay Feldspar Garnet Mica None Quartz

6 IMA Minerals at location:

Albite ()*	Beryl ()*	Clinochlore ()*	Muscovite ()*	Quartz ()*
Spessartine ()*

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
Albite ()*	Feldspar	Na(AlSi₃O₈)	337.6	332	1	47477	8803
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	337.6	332	1	47477	4286
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	337.6	332	1	47477	1756
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	337.6	332	1	47477	17380
Quartz ()*	Quartz	SiO₂	337.6	332	1	47477	61156
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	337.6	332	1	47477	1214

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Sample Num	Age from other Locality	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID	Age Notes
JCGS48_70_0001	337.6	335.6	336.6±1.0	concordia			Ta-10	Yes		257258	Dražice, Tábor District, South Bohemian Region, Czech Republic	Drazice	Janousek and Gerdes (2003)	JCGS48_70	concordia of 3 fractions (zircon ,zircon, rutile) from the Tabor intrusion
JCGS48_70_0002	337.1	335.5	336.3±0.8	Pb-Pb		rutile		Yes	Rutile	257258	Dražice, Tábor District, South Bohemian Region, Czech Republic	Drazice	Janousek and Gerdes (2003)	JCGS48_70
JCGS48_70_0003	334	332	333±1	U-Pb	likely represents Pb loss	zircon		Yes	Zircon	257258	Dražice, Tábor District, South Bohemian Region, Czech Republic	Drazice	Janousek and Gerdes (2003)	JCGS48_70

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...