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:
Juhongtu B Deposit, Yashatu, Delhi Co. (Delingha Co.), Haixi, Qinghai, China

Oldest recorded age at locality: 0.126
Youngest recorded age at locality: 0

mindat Locality ID: 25976
mindat URL: http://www.mindat.org/loc-25976.html

Tectonic Settings:

Total number of sublocalities beneath "Juhongtu B Deposit, Yashatu, Delhi Co. (Delingha Co.), Haixi, Qinghai, China": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°1'54"N
Longitude: 97°9'16"E
Decimal Degree (lat, lon): 38.031666666667,97.154444444444

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.

Calcite	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: B C Ca H Na O Si

Elements from minerals reported directly at this locality: B C Ca H Na O Si

Structural Groups for minerals in this locality:
Calcite None Quartz

7 IMA Minerals at location:

Calcite ()*	Inyoite ()*	Nahcolite ()*	Qilianshanite ()*	Quartz ()*
Tincalconite ()*	Ulexite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	0.126	27770
Inyoite ()*	None	CaB₃O₃(OH)₅·4H₂O	0.126	34
Nahcolite ()*	None	NaH(CO₃)	0.126	78
Qilianshanite ()*	None	NaH₄(CO₃)(BO₃)·2H₂O	0.126	2
Quartz ()*	Quartz	SiO₂	0.126	61156
Tincalconite ()*	None	Na₂B₄O₅(OH)₄·3H₂O	0.126	29
Ulexite ()*	None	NaCaB₅O₆(OH)₆·5H₂O	0.126	160

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_515	Juhongtu boron deposit forms as deep B rich hydrothermal waters react with decaying rocks and deposit into a saline lake. The hydrothermal waters are rich in boron, lithium and cesium.

1 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
	Michelle_515	0.126	0	Late Pleistocene-0		Age of boron mineralization							Qilianshanite	B	25976	Juhongtu B Deposit, Yashatu, Delhi Co. (Delingha Co.), Haixi, Qinghai, China	Juhongtu B Deposit	Mianping (1997)	10.1007/978-94-011-5458-1_7	BOOK_MSMSSL_1997	Age of regional boron deposits.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...