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:
De Kalb Township, St. Lawrence Co., New York, USA

Oldest recorded age at locality: 1202
Youngest recorded age at locality: 1188

mindat Locality ID: 23672
mindat URL: http://www.mindat.org/loc-23672.html

Tectonic Settings:

Total number of sublocalities beneath "De Kalb Township, St. Lawrence Co., New York, USA": 17
Total number of bottom-level sublocalities: 14

Number of Child Localities: 5
Child Localities:
Bigelow
De Kalb
Geerite Locality
McLear Pegmatite Quarry (Green Hill)
Richville

Latitude: 44°26'55"N
Longitude: 75°20'49"W
Decimal Degree (lat, lon): 44.448611111111,-75.346944444444

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.

Allophane	Amorphous	Amphibole	Apatite	Baryte	Brochantite	Calcite	Chalcopyrite	Clay	Corundum
Danburite	Diaspore	Feldspar	Fluorite	Gadolinite	Malachite	Marcasite	Mica	Nickeline	None
Not in a structural group	Pyrite	Pyrochlore	Pyroxene	Quartz	Rocksalt	Rutile	Sphalerite	Talc	Tetrahedrite
Titanite	Tourmaline	Tyrolite	Zircon

Albite ()*	Azurite ()*	Baryte ()*	Brochantite ()*	Calcite ()*
Cervantite ()*	Chalcopyrite ()*	Chrysocolla ()*	Danburite ()*	Datolite ()*
Diopside ()*	Dravite ()*	Fluor-uvite ()*	Fluorapatite ()*	Fluorite ()*
Fluoro-edenite ()*	Galena ()*	Geerite ()*	Goethite ()*	Graphite ()*
Hematite ()*	Hemimorphite ()*	Malachite ()*	Marcasite ()*	Microcline ()*
Opal ()*	Phlogopite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*
Rutile ()*	Sphalerite ()*	Spionkopite ()*	Stibiconite ()*	Talc ()*
Tetrahedrite-(Zn) ()*	Thorite ()*	Titanite ()*	Tremolite ()*	Tyrolite ()*
Uraninite ()*	Zircon ()*

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 B Ba C Ca Cu F Fe H K Mg Na O P Pb S Sb Si Th Ti U Zn Zr

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

Structural Groups for minerals in this locality:
Allophane Amorphous Amphibole Apatite Baryte Brochantite Calcite Chalcopyrite Clay Corundum
Danburite Diaspore Feldspar Fluorite Gadolinite Malachite Marcasite Mica Nickeline None
Not in a structural group Pyrite Pyrochlore Pyroxene Quartz Rocksalt Rutile Sphalerite Talc Tetrahedrite
Titanite Tourmaline Tyrolite Zircon

42 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1202	1188	3	248637,248639,248644	8803
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			1	248643	5509
Baryte ()*	Baryte	Ba(SO₄)			3	248637,248640,248645	11547
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆			1	248643	1633
Calcite ()*	Calcite	Ca(CO₃)	1202	1188	5	248634,248636,248640,248643,248644	27770
Cervantite ()*	None	Sb³⁺Sb⁵⁺O₄			1	248643	352
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1202	1188	2	248643,248644	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			1	248643	3531
Danburite ()*	Danburite	CaB₂Si₂O₈	1202	1188	1	248644	148
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)			1	248637	498
Diopside ()*	Pyroxene	CaMgSi₂O₆	1202	1188	4	248637,248639,248644,248645	4135
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			1	248634	648
Fluor-uvite ()*	Tourmaline	CaMg₃(Al₅Mg)(Si₆O₁₈)(BO₃)₃(OH)₃F			3	248634,248637,248645	19
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			1	248634	2740
Fluorite ()*	Fluorite	CaF₂			3	248634,248636,248637	9617
Fluoro-edenite ()*	Amphibole	NaCa₂Mg₅(Si₇Al)O₂₂F₂			1	248637	27
Galena ()*	Rocksalt	PbS	1202	1188	2	248636,248644	24243
Geerite ()*	None	Cu₈S₅			1	248643	38
Goethite ()*	Diaspore	FeO(OH)			1	248634	7437
Graphite ()*	None	C			1	248634	2812
Hematite ()*	Corundum	Fe₂O₃			1	248634	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O			1	248643	1689
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			1	248643	12537
Marcasite ()*	Marcasite	FeS₂			1	248634	5674
Microcline ()*	Feldspar	K(AlSi₃O₈)	1202	1188	1	248644	4924
Opal ()*	Amorphous	SiO₂·nH₂O			1	248634	2994
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1202	1188	2	248634,248644	2273
Pyrite ()*	Pyrite	FeS₂	1202	1188	7	248632,248633,248634,248635,248637,248644,248646	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			2	248631,248633	9056
Quartz ()*	Quartz	SiO₂	1202	1188	5	248634,248637,248639,248644,248646	61156
Rutile ()*	Rutile	TiO₂			1	248634	5614
Sphalerite ()*	Sphalerite	ZnS			2	248636,248643	21482
Spionkopite ()*	None	Cu₃₉S₂₈			2	248637,248643	73
Stibiconite ()*	Pyrochlore	Sb³⁺Sb⁵⁺₂O₆(OH)			1	248643	446
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			3	248634,248637,248639	3337
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			1	248643	5317
Thorite ()*	Zircon	Th(SiO₄)	1202	1188	1	248644	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	1202	1188	1	248644	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1202	1188	5	248637,248638,248639,248644,248645	2562
Tyrolite ()*	Tyrolite	Ca₂Cu₉(AsO₄)₄(CO₃)(OH)₈·11H₂O	1202	1188	0		245
Uraninite ()*	Fluorite	UO₂	1202	1188	1	248644	2718
Zircon ()*	Zircon	Zr(SiO₄)	1202	1188	2	248644,248646	5251

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Bradley_2012_052	1202	1188	1195±7	U/Pb			zircon				Zircon			205171	McLear Pegmatite Quarry (Green Hill), De Kalb Township, St. Lawrence Co., New York, USA	McLear	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183

Sample	Source Locality	Reference URL
X050060	De Kalb Township, St. Lawrence Co., New York, USA	https://rruff.info/X050060

All locality data graciously provided by mindat.org

All age data...