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:
Horcajuelo De La Sierra, Community Of Madrid, Spain


mindat Locality ID: 232306
mindat URL: http://www.mindat.org/loc-232306.html

Tectonic Settings:

Total number of sublocalities beneath "Horcajuelo De La Sierra, Community Of Madrid, Spain": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
La Garita Stream (Las Cabrillas Stream)
Rutile Type Locality
San Francisco Mine

Latitude: 41°4'36"N
Longitude: 3°33'15"W
Decimal Degree (lat, lon): 41.076666666667,-3.5541666666667

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe 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.

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 Al As C Cl Cu Fe H K O S Sb Si Ti 

Elements from minerals reported directly at this locality: Fe O Ti 

Structural Groups for minerals in this locality: 
AcanthiteArsenopyriteBrookiteClayCopperCorundumGarnetMicaNoneNot in a structural group
PyriteQuartzRocksaltRutileTetrahedrite

18 IMA Minerals at location:
Acanthite  (*)Almandine  (*)Anatase  (*)Arsenopyrite  (*)Brookite  (*)
Chlorargyrite  (*)Freibergite  (*)Graphite  (*)Ilmenite  (*)Muscovite  (*)
Proustite  (*)Pyrargyrite  (*)Pyrite  (*)Quartz  (*)Rutile  (*)
Scorodite  (*)Sillimanite  (*)Silver  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S11100812793
Almandine  (*)GarnetFe2+3Al2(SiO4)311100802353
Anatase  (*)Not in a structural groupTiO211100792162
Arsenopyrite  (*)ArsenopyriteFeAsS11100819052
Brookite  (*)BrookiteTiO21110079700
Chlorargyrite  (*)RocksaltAgCl11100811382
Freibergite  (*)TetrahedriteAg6[Cu4Fe2]Sb4S121110081663
Graphite  (*)NoneC2110079,1100812812
Ilmenite  (*)CorundumFe2+Ti4+O305433
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)22110079,11008017380
Proustite  (*)NoneAg3AsS31110081733
Pyrargyrite  (*)NoneAg3SbS311100811425
Pyrite  (*)PyriteFeS2111007939462
Quartz  (*)QuartzSiO23110079,110080,11008161156
Rutile  (*)RutileTiO22110079,1100805614
Scorodite  (*)NoneFe3+(AsO4)·2H2O11100811153
Sillimanite  (*)Not in a structural groupAl2SiO52110079,1100801516
Silver  (*)CopperAg11100815186



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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