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:
Ketchikan Gateway Borough, Alaska, USA

mindat Locality ID: 203084
mindat URL: http://www.mindat.org/loc-203084.html

Tectonic Settings:

Total number of sublocalities beneath "Ketchikan Gateway Borough, Alaska, USA": 95
Total number of bottom-level sublocalities: 94

Number of Child Localities: 1
Child Localities:
Ketchikan District

Latitude: 55°30'5"N
Longitude: 131°42'41"W
Decimal Degree (lat, lon): 55.501388888889,-131.71138888889

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.

Andalusite	Arsenopyrite	Baryte	Calcite	Chalcopyrite	Clay	Copper	Corundum	Covellite	Feldspar
Malachite	Mica	Molybdenite	Nickeline	None	Pyrite	Pyroxene	Quartz	Rocksalt	Sphalerite
Spinel	Tetradymite

Albite ()*	Andalusite ()*	Arsenopyrite ()*	Baryte ()*	Bornite ()*
Calcite ()*	Chalcopyrite ()*	Chromite ()*	Covellite ()*	Diopside ()*
Dolomite ()*	Erlichmanite ()*	Galena ()*	Gold ()*	Graphite ()*
Hematite ()*	Ilmenite ()*	Iridium ()*	Magnetite ()*	Malachite ()*
Molybdenite ()*	Muscovite ()*	Osmium ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Siderite ()*	Sphalerite ()*	Tetradymite ()*

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 As Au Ba Bi C Ca Cr Cu Fe H Ir K Mg Mo Na O Os Pb S Si Te Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Andalusite Arsenopyrite Baryte Calcite Chalcopyrite Clay Copper Corundum Covellite Feldspar
Malachite Mica Molybdenite Nickeline None Pyrite Pyroxene Quartz Rocksalt Sphalerite
Spinel Tetradymite

29 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	130756	8803
Andalusite ()*	Andalusite	Al₂SiO₅	1	130769	1310
Arsenopyrite ()*	Arsenopyrite	FeAsS	3	130731,130746,130748	9052
Baryte ()*	Baryte	Ba(SO₄)	5	130721,130723,130728,130733,130785	11547
Bornite ()*	None	Cu₅FeS₄	3	130713,130748,130761	5516
Calcite ()*	Calcite	Ca(CO₃)	6	130713,130723,130756,130759,130761,130765	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	32	130708,130713,130716,130720,130721,130723,130726,130728,130729,130730,130733,130735,130743,130744,130747,130748,130751,130756,130758,130761,130765,130766,130773,130777,130782,130784,130785,130792,130793,130795,130798,130800	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	8	130725,130750,130755,130762,130763,130776,130790,130796	3902
Covellite ()*	Covellite	CuS	1	130761	4165
Diopside ()*	Pyroxene	CaMgSi₂O₆	6	130725,130750,130755,130762,130763,130796	4135
Dolomite ()*	None	CaMg(CO₃)₂	1	130784	9895
Erlichmanite ()*	Pyrite	OsS₂	6	130725,130750,130755,130762,130763,130796	110
Galena ()*	Rocksalt	PbS	21	130708,130709,130711,130717,130721,130734,130735,130737,130740,130741,130748,130754,130756,130759,130760,130761,130765,130770,130771,130775,130785	24243
Gold ()*	Copper	Au	18	130711,130712,130717,130731,130734,130735,130739,130740,130741,130745,130746,130760,130770,130771,130775,130794,130799,130800	30554
Graphite ()*	None	C	1	130765	2812
Hematite ()*	Corundum	Fe₂O₃	2	130713,130784	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	130790	5433
Iridium ()*	Copper	Ir	6	130725,130750,130755,130762,130763,130796	162
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	12	130725,130726,130748,130750,130755,130762,130763,130776,130777,130786,130790,130796	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	130792	12537
Molybdenite ()*	Molybdenite	MoS₂	6	130758,130768,130777,130778,130784,130792	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2	130769,130771	17380
Osmium ()*	None	Os	6	130725,130750,130755,130762,130763,130796	169
Pyrite ()*	Pyrite	FeS₂	52	130708,130709,130710,130711,130712,130713,130716,130717,130720,130721,130723,130726,130728,130729,130730,130731,130733,130734,130735,130737,130740,130741,130743,130744,130745,130746,130747,130751,130754,130756,130758,130760,130761,130765,130766,130768,130769,130770,130771,130773,130774,130775,130777,130782,130784,130792,130793,130794,130795,130798,130799,130800	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	8	130726,130746,130761,130765,130768,130777,130798,130800	9056
Quartz ()*	Quartz	SiO₂	52	130708,130709,130710,130711,130712,130713,130716,130717,130720,130721,130723,130728,130729,130730,130731,130733,130734,130735,130737,130739,130740,130741,130743,130744,130745,130746,130747,130748,130751,130754,130756,130758,130759,130760,130761,130765,130766,130768,130770,130771,130773,130774,130775,130777,130782,130784,130785,130794,130795,130798,130799,130800	61156
Siderite ()*	Calcite	Fe(CO₃)	1	130721	6417
Sphalerite ()*	Sphalerite	ZnS	25	130708,130709,130711,130712,130713,130717,130721,130723,130734,130735,130737,130740,130741,130745,130748,130754,130759,130760,130761,130765,130770,130771,130775,130785,130793	21482
Tetradymite ()*	Tetradymite	Bi₂Te₂S	1	130746	510

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...