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:
Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA

Oldest recorded age at locality: 1305
Youngest recorded age at locality: 978

mindat Locality ID: 23500
mindat URL: http://www.mindat.org/loc-23500.html

Tectonic Settings:

Total number of sublocalities beneath "Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 2
Child Localities:
C.K. Williams Quarry Complex (Williams And Company Rock Quarry)
Mineral Springs Quarry

Latitude: 40°43'5"N
Longitude: 75°11'40"W
Decimal Degree (lat, lon): 40.718055555556,-75.194444444444

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	Amphibole	Apatite	Aragonite	Autunite	Baryte	Brucite	Calcite	Chalcopyrite	Clay
Clinozoisite	Corundum	Epidote	Feldspar	Fluorite	Gypsum	Malachite	Marcasite	Mica	Molybdenite
None	Not in a structural group	Pyrite	Pyroxene	Quartz	Rocksalt	Rutile	Scapolite	Scheelite	Serpentine
Smectite-vermiculite	Sphalerite	Talc	Titanite	Topaz	Tourmaline	Vesuvianite	Wölsendorfite	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 Cl Cu F Fe H K Mg Mn Mo Na O P Pb S Si Sr Th Ti U Zn Zr

Elements from minerals reported directly at this locality: Al B C Ca Cl Fe H K Mg Na O Pb Si

Structural Groups for minerals in this locality:
Allophane Amphibole Apatite Aragonite Autunite Baryte Brucite Calcite Chalcopyrite Clay
Clinozoisite Corundum Epidote Feldspar Fluorite Gypsum Malachite Marcasite Mica Molybdenite
None Not in a structural group Pyrite Pyroxene Quartz Rocksalt Rutile Scapolite Scheelite Serpentine
Smectite-vermiculite Sphalerite Talc Titanite Topaz Tourmaline Vesuvianite Wölsendorfite Zircon

59 IMA Minerals at location:

Actinolite ()*	Anthophyllite ()*	Antigorite ()*	Aragonite ()*	Augite ()*
Autunite ()*	Azurite ()*	Baryte ()*	Boltwoodite ()*	Brucite ()*
Calcite ()*	Celestine ()*	Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*
Chrysotile ()*	Cuprite ()*	Diopside ()*	Dolomite ()*	Eastonite ()*
Epidote ()*	Fluorapatite ()*	Fluorite ()*	Galena ()*	Graphite ()*
Gypsum ()*	Hematite ()*	Hydromagnesite ()*	Ilmenite ()*	Magnesite ()*
Malachite ()*	Marcasite ()*	Marialite ()*	Metanováčekite ()*	Molybdenite ()*
Muscovite ()*	Orthoclase ()*	Paragonite ()*	Phlogopite ()*	Phosgenite ()*
Pyrite ()*	Pyrolusite ()*	Quartz ()*	Schorl ()*	Sphalerite ()*
Talc ()*	Thorianite ()*	Thorite ()*	Titanite ()*	Topaz ()*
Tremolite ()*	Uraninite ()*	Uranophane-α ()*	Vermiculite ()*	Vesuvianite ()*
Weeksite ()*	Wölsendorfite ()*	Wulfenite ()*	Zircon ()*

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
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	1257	982	1	263191	3419
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	1257	982	1	263191	718
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	1257	982	0		708
Aragonite ()*	Aragonite	Ca(CO₃)	1257	982	0		3250
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1257	982	1	263191	2060
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	1257	982	1	263191	1272
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1257	982	1	263191	5509
Baryte ()*	Baryte	Ba(SO₄)	1257	982	1	263191	11547
Boltwoodite ()*	None	(K,Na)(UO₂)(SiO₃OH)·1.5H₂O	1257	982	1	263191	67
Brucite ()*	Brucite	Mg(OH)₂	1257	982	0		462
Calcite ()*	Calcite	Ca(CO₃)	1257	982	1	263191	27770
Celestine ()*	Baryte	Sr(SO₄)	1257	982	1	263191	1252
Chalcocite ()*	None	Cu₂S	1257	982	1	263191	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1257	982	1	263191	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1257	982	1	263191	3531
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	1257	982	0		951
Cuprite ()*	Not in a structural group	Cu₂O	1257	982	1	263191	2970
Diopside ()*	Pyroxene	CaMgSi₂O₆	1257	982	1	263191	4135
Dolomite ()*	None	CaMg(CO₃)₂	1257	982	1	263191	9895
Eastonite ()*	Mica	KAlMg₂(Si₂Al₂)O₁₀(OH)₂	1257	982	1	263191	11
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1257	982	0		8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1257	982	1	263191	2740
Fluorite ()*	Fluorite	CaF₂	1257	982	1	263191	9617
Galena ()*	Rocksalt	PbS	1257	982	1	263191	24243
Graphite ()*	None	C	1257	982	1	263191	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1257	982	1	263191	6890
Hematite ()*	Corundum	Fe₂O₃	1257	982	1	263191	14640
Hydromagnesite ()*	None	Mg₅(CO₃)₄(OH)₂·4H₂O	1257	982	1	263191	341
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1257	982	1	263191	5433
Magnesite ()*	Calcite	Mg(CO₃)	1257	982	1	263191	1487
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1257	982	1	263191	12537
Marcasite ()*	Marcasite	FeS₂	1257	982	1	263191	5674
Marialite ()*	Scapolite	Na₄Al₃Si₉O₂₄Cl			1	263193	139
Metanováčekite ()*	None	Mg(UO₂)₂(AsO₄)₂·8H₂O	1257	982	1	263191	26
Molybdenite ()*	Molybdenite	MoS₂	1257	982	2	263191,263192	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1257	982	1	263191	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1257	982	0		2349
Paragonite ()*	Mica Clay	NaAl₂(Si₃Al)O₁₀(OH)₂	1257	982	1	263191	247
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1257	982	1	263191	2273
Phosgenite ()*	None	Pb₂(CO₃)Cl₂	1257	982	0		142
Pyrite ()*	Pyrite	FeS₂	1257	982	1	263191	39462
Pyrolusite ()*	Rutile	MnO₂	1257	982	1	263191	3106
Quartz ()*	Quartz	SiO₂	1257	982	1	263191	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1257	982	0		2705
Sphalerite ()*	Sphalerite	ZnS	1257	982	1	263191	21482
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1257	982	2	263191,263192	3337
Thorianite ()*	Fluorite	ThO₂	1257	982	1	263191	236
Thorite ()*	Zircon	Th(SiO₄)	1257	982	1	263191	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	1257	982	1	263191	4899
Topaz ()*	Topaz	Al₂SiO₄F₂	1257	982	1	263191	1476
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1257	982	2	263191,263192	2562
Uraninite ()*	Fluorite	UO₂	1257	982	1	263191	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	1257	982	1	263191	890
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	1257	982	0		652
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	1257	982	1	263191	1395
Weeksite ()*	None	(K)₂(UO₂)₂(Si₅O₁₃)·4H₂O	1257	982	1	263191	42
Wölsendorfite ()*	Wölsendorfite	Pb₇(UO₂)₁₄O₁₉(OH)₄·12H₂O	1257	982	1	263191	43
Wulfenite ()*	Scheelite	PbMoO₄			1	263192	1655
Zircon ()*	Zircon	Zr(SiO₄)	1257	982	1	263191	5251

42 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	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Kristen000970	1259.2	1234	1246.6±12.6	206Pb/238U		low	zircon	EAS-1.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000971	1259.7	1234.7	1247.2±12.5	206Pb/238U		low	zircon	EAS-2.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000972	1254.3	1229.5	1241.9±12.4	206Pb/238U		low	zircon	EAS-3.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000973	1030.9	1011.3	1021.1±9.8	206Pb/238U		low	zircon	EAS-3.2	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000974	1305	1279.8	1292.4±12.6	206Pb/238U		low	zircon	EAS-4.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000975	1272.3	1243.3	1257.8±14.5	206Pb/238U		low	zircon	EAS-5.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000976	1283.7	1258.1	1270.9±12.8	206Pb/238U		low	zircon	EAS-6.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000977	1024.2	1004.8	1014.5±9.7	206Pb/238U		low	zircon	EAS-6.2	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000978	1215.5	1191.9	1203.7±11.8	206Pb/238U		low	zircon	EAS-7.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000979	1044.9	1025.1	1035±9.9	206Pb/238U		low	zircon	EAS-8.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000980	1252.4	1227.8	1240.1±12.3	206Pb/238U		low	zircon	EAS-8.2	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000981	1248.4	1223.4	1235.9±12.5	206Pb/238U		low	zircon	EAS-9.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000982	1025.3	1005.7	1015.5±9.8	206Pb/238U		low	zircon	EAS-9.2	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000983	1048.2	1028.4	1038.3±9.9	206Pb/238U		low	zircon	EAS-10.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000984	1301.2	1273.8	1287.5±13.7	206Pb/238U		low	zircon	EAS-10.2	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000985	1248.4	1216.8	1232.6±15.8	206Pb/238U		low	zircon	EAS-11.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000986	1161.3	1138.5	1149.9±11.4	206Pb/238U		low	zircon	EAS-12.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000987	1254.3	1229.5	1241.9±12.4	206Pb/238U		low	zircon	EAS-13.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000988	1232	1207.8	1219.9±12.1	206Pb/238U		low	zircon	EAS-14.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000989	1145.7	1110.1	1127.9±17.8	206Pb/238U		low	zircon	EAS-15.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000990	1289	1267	1278±11	207Pb/206Pb		low	zircon	EAS-1.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000991	1275	1255	1265±10	207Pb/206Pb		low	zircon	EAS-2.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000992	1260	1240	1250±10	207Pb/206Pb		low	zircon	EAS-3.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000993	1000	984	992±8	207Pb/206Pb		low	zircon	EAS-3.2	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000994	1261	1245	1253±8	207Pb/206Pb		low	zircon	EAS-4.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000995	1271	1253	1262±9	207Pb/206Pb		low	zircon	EAS-5.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000996	1260	1238	1249±11	207Pb/206Pb		low	zircon	EAS-6.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000997	1024	1006	1015±9	207Pb/206Pb		low	zircon	EAS-6.2	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000998	1280	1262	1271±9	207Pb/206Pb		low	zircon	EAS-7.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen000999	992	978	985±7	207Pb/206Pb		low	zircon	EAS-8.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen001000	1243	1223	1233±10	207Pb/206Pb		low	zircon	EAS-8.2	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen001001	1261	1239	1250±11	207Pb/206Pb		low	zircon	EAS-9.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen001002	1003	987	995±8	207Pb/206Pb		low	zircon	EAS-9.2	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen001003	1003	987	995±8	207Pb/206Pb		low	zircon	EAS-10.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen001004	1292	1260	1276±16	207Pb/206Pb		low	zircon	EAS-10.2	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen001005	1255	1227	1241±14	207Pb/206Pb		low	zircon	EAS-11.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen001006	1253	1233	1243±10	207Pb/206Pb		low	zircon	EAS-12.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen001007	1266	1246	1256±10	207Pb/206Pb		low	zircon	EAS-13.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen001008	1260	1240	1250±10	207Pb/206Pb		low	zircon	EAS-14.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen001009	1130	1106	1118±12	207Pb/206Pb		low	zircon	EAS-15.1	Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen001410	1257	1245	1251±6		extrusion of metavolcanic rocks	high	zircon		Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307
Kristen001411	1010	982	996±14		metamorphism	high	zircon		Zircon	10113	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	New Jersey Highlands	Vokert et al. (2010)	10.1130/2010.1206(14)	GSAM206_307

Sample	Source Locality	Reference URL
R100078	Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry Complex (Williams And Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA	https://rruff.info/R100078

All locality data graciously provided by mindat.org

All age data...