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:
71°22'S; 16°34'W, Weddell Sea, Western Antarctica, Antarctica

Oldest recorded age at locality: 0
Youngest recorded age at locality: 0.001

mindat Locality ID: 159589
mindat URL: http://www.mindat.org/loc-159589.html

Tectonic Settings:

Total number of sublocalities beneath "71°22'S; 16°34'W, Weddell Sea, Western Antarctica, Antarctica": 0
Total number of bottom-level sublocalities: 0

Latitude: 71°22'"S
Longitude: 16°34'"W
Decimal Degree (lat, lon): -71.366666666667,-16.566666666667

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: C Ca H O Si 

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

Structural Groups for minerals in this locality: 
NoneQuartz

2 IMA Minerals at location:
Earlandite  (*)Quartz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Earlandite  (*)NoneCa3(C6H5O7)2·4H2O00.00101
Quartz  (*)QuartzSiO200.001061156



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_391Earlandite was reported in surface sediments of the Weddell Sea at the water depth of 2580 m along with quartz and foram Rhabdammina linearis, Brady.


1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Michelle_39100.0010-0.001 Age of surface sediment      15958971°22'S; 16°34'W, Weddell Sea, Western Antarctica, AntarcticaWeddell SeaMackensen and Douglas (1989)10.1016/0198-0149(89)90034-4ORP36_879Age of Weddell Sea sediments based on author's sedimentation rate.


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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