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:
Halmahera Island, North Maluku Province, Maluku Islands (Moluccas), Indonesia

mindat Locality ID: 146737
mindat URL: http://www.mindat.org/loc-146737.html

Tectonic Settings:

Total number of sublocalities beneath "Halmahera Island, North Maluku Province, Maluku Islands (Moluccas), Indonesia": 13
Total number of bottom-level sublocalities: 12

Number of Child Localities: 4
Child Localities:
Dongak Deposit
Gosowong Goldfield
Langsat Deposit
Weda Bay Mine

Latitude: 0°48'24"N
Longitude: 127°48'59"E
Decimal Degree (lat, lon): 0.80666666666667,127.81638888889

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	Chalcopyrite	Clay	Clinozoisite	Copper	Diaspore	Epidote	Feldspar	Kaolinite	Mica
None	Not in a structural group	Pyrite	Pyrophyllite	Quartz	Rocksalt	Sphalerite	Spinel

Albite ()*	Alunite ()*	Anhydrite ()*	Ankerite ()*	Calcite ()*
Chalcopyrite ()*	Diaspore ()*	Dickite ()*	Epidote ()*	Galena ()*
Goethite ()*	Gold ()*	Kaolinite ()*	Magnetite ()*	Muscovite ()*
Orthoclase ()*	Pyrite ()*	Pyrophyllite ()*	Quartz ()*	Sphalerite ()*

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 Au C Ca Cu Fe H K Na O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clay Clinozoisite Copper Diaspore Epidote Feldspar Kaolinite Mica
None Not in a structural group Pyrite Pyrophyllite Quartz Rocksalt Sphalerite Spinel

20 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	67084	8803
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆	2	67084,67091	966
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	67091	1588
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	1	67084	3092
Calcite ()*	Calcite	Ca(CO₃)	2	67084,67091	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	67084	27198
Diaspore ()*	Diaspore	AlO(OH)	1	67084	481
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	67084	651
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	67084	8173
Galena ()*	Rocksalt	PbS	1	67084	24243
Goethite ()*	Diaspore	FeO(OH)	1	67095	7437
Gold ()*	Copper	Au	2	67084,67087	30554
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	67084	5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	3	67084,67091,67095	14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	67084	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	67084	2349
Pyrite ()*	Pyrite	FeS₂	1	67084	39462
Pyrophyllite ()*	Clay Pyrophyllite	Al₂Si₄O₁₀(OH)₂	1	67084	771
Quartz ()*	Quartz	SiO₂	2	67084,67091	61156
Sphalerite ()*	Sphalerite	ZnS	1	67084	21482

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...