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:
Chocolatal (Rocko Rancho), Cristalmayu Subdistrict, Alto Chapare Mining District, Chapare Province, Cochabamba, Bolivia

mindat Locality ID: 215985
mindat URL: http://www.mindat.org/loc-215985.html

Tectonic Settings:

Total number of sublocalities beneath "Chocolatal (Rocko Rancho), Cristalmayu Subdistrict, Alto Chapare Mining District, Chapare Province, Cochabamba, Bolivia": 5
Total number of bottom-level sublocalities: 4

Number of Child Localities: 1
Child Localities:
Minasmayu Valley

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.

Amphibole	Aragonite	Boracite	Calcite	Clay	Corundum	Danburite	Gypsum	Mica	None
Not in a structural group	Pyrite	Quartz	Stilpnomelane

Anhydrite ()*	Aragonite ()*	Boracite ()*	Calcite ()*	Danburite ()*
Dolomite ()*	Gypsum ()*	Hematite ()*	Magnesio-riebeckite ()*	Magnesite ()*
Muscovite ()*	Polyhalite ()*	Pyrite ()*	Quartz ()*	Stilpnomelane ()*
Tremolite ()*

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 C Ca Cl Fe H K Mg Na O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Aragonite Boracite Calcite Clay Corundum Danburite Gypsum Mica None
Not in a structural group Pyrite Quartz Stilpnomelane

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	25814	1588
Aragonite ()*	Aragonite	Ca(CO₃)	2	25810,25813	3250
Boracite ()*	Boracite	Mg₃B₇O₁₃Cl	1	25814	57
Calcite ()*	Calcite	Ca(CO₃)	1	25814	27770
Danburite ()*	Danburite	CaB₂Si₂O₈	2	25812,25814	148
Dolomite ()*	None	CaMg(CO₃)₂	4	25810,25811,25813,25814	9895
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	2	25810,25814	6890
Hematite ()*	Corundum	Fe₂O₃	2	25811,25814	14640
Magnesio-riebeckite ()*	Amphibole	Na₂(Mg₃Fe³⁺₂)Si₈O₂₂(OH)₂	3	25811,25812,25814	93
Magnesite ()*	Calcite	Mg(CO₃)	1	25814	1487
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	25814	17380
Polyhalite ()*	None	K₂Ca₂Mg(SO₄)₄·2H₂O	1	25814	102
Pyrite ()*	Pyrite	FeS₂	1	25814	39462
Quartz ()*	Quartz	SiO₂	2	25811,25814	61156
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	1	25811	456
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	25811	2562

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...