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:
Luan River Valley (Luanhe Valley), Chengde, Hebei, China

Oldest recorded age at locality: 528
Youngest recorded age at locality: 131

mindat Locality ID: 696
mindat URL: http://www.mindat.org/loc-696.html

Tectonic Settings:

Total number of sublocalities beneath "Luan River Valley (Luanhe Valley), Chengde, Hebei, China": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Kashinite Occurrence
Luanheite Occurrence
Maying Village

Latitude: 41°12'33"N
Longitude: 117°56'40"E
Decimal Degree (lat, lon): 41.209166666667,117.94444444444

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.

Bowieite	Copper	Melonite	None	Pyrite	Spinel

Chromite ()*	Gold ()*	Irarsite ()*	Kashinite ()*	Laurite ()*
Lead ()*	Luanheite ()*	Magnetite ()*	Mayingite ()*	Osmium ()*
Platinum ()*	Shuangfengite ()*	Silver ()*	Zinc ()*

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: Ag As Au Bi Cr Fe Hg Ir O Os Pb Pt Ru S Te Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Bowieite Copper Melonite None Pyrite Spinel

14 IMA Minerals at location:

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	528	131	1	39139	3902
Gold ()*	Copper	Au	528	131	2	39138,39139	30554
Irarsite ()*	Pyrite	IrAsS	528	131	1	39139	154
Kashinite ()*	Bowieite	Ir₂S₃	528	131	1	39137	29
Laurite ()*	Pyrite	RuS₂	528	131	1	39139	226
Lead ()*	Copper	Pb	528	131	1	39138	192
Luanheite ()*	None	Ag₃Hg	152	131	1	39138	17
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	528	131	1	39139	14899
Mayingite ()*	Pyrite	IrBiTe	528	131	1	39139	3
Osmium ()*	None	Os	528	131	2	39137,39139	169
Platinum ()*	Copper	Pt	528	131	2	39137,39139	485
Shuangfengite ()*	Melonite	IrTe₂	528	131	1	39139	4
Silver ()*	Copper	Ag	528	131	1	39138	5186
Zinc ()*	None	Zn	528	131	1	39138	52

6 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Sample Num	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
Emily000342	458	414	436±22	Re-Os	molybdenite	XL7-1	Molybdenite	Molybdenite		696	Luan River Valley (Luanhe Valley), Chengde, Hebei, China	Luan River Valley	Mao et al. (1999)	10.1016/S0016-7037(99)00165-9	GCA63_1815
Emily000343	479	445	462±17	Re-Os	molybdenite	XL7-3	Molybdenite	Molybdenite		696	Luan River Valley (Luanhe Valley), Chengde, Hebei, China	Luan River Valley	Mao et al. (1999)	10.1016/S0016-7037(99)00165-9	GCA63_1815
Emily000344	490	460	475±15	Re-Os	molybdenite	XL7-6	Molybdenite	Molybdenite		696	Luan River Valley (Luanhe Valley), Chengde, Hebei, China	Luan River Valley	Mao et al. (1999)	10.1016/S0016-7037(99)00165-9	GCA63_1815
Emily000345	488	426	457±31	Re-Os	molybdenite	XL7-7	Molybdenite	Molybdenite		696	Luan River Valley (Luanhe Valley), Chengde, Hebei, China	Luan River Valley	Mao et al. (1999)	10.1016/S0016-7037(99)00165-9	GCA63_1815
Emily000346	528	464	496±32	Re-Os	molybdenite	XL7-10	Molybdenite	Molybdenite		696	Luan River Valley (Luanhe Valley), Chengde, Hebei, China	Luan River Valley	Mao et al. (1999)	10.1016/S0016-7037(99)00165-9	GCA63_1815
Hg-00009	152	131		Re-Os				Luanheite	Hg	696	Luan River Valley (Luanhe Valley), Chengde, Hebei, China		Huang et al. (1996); Mao et al. (1999)

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...