Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org

Ages for Chalcopyrite at 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

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1257Ma - 982Ma at this locality

Age range from children

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Kristen001410	1257	1245	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	Vokert et al. (2010)	GSAM206_307
Kristen001411	1010	982	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	Vokert et al. (2010)	GSAM206_307

Locality age (prioritized)

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Kristen001410	1257	1245	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	Vokert et al. (2010)	GSAM206_307
Kristen001411	1010	982	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	Vokert et al. (2010)	GSAM206_307

Locality age (deprioritized)

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Dated Locality ID	Dated Locality	Ref	Ref ID
Kristen000970	1259.2	1234	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	Vokert et al. (2010)	GSAM206_307
Kristen000971	1259.7	1234.7	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	Vokert et al. (2010)	GSAM206_307
Kristen000972	1254.3	1229.5	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	Vokert et al. (2010)	GSAM206_307
Kristen000973	1030.9	1011.3	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	Vokert et al. (2010)	GSAM206_307
Kristen000974	1305	1279.8	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	Vokert et al. (2010)	GSAM206_307
Kristen000975	1272.3	1243.3	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	Vokert et al. (2010)	GSAM206_307
Kristen000976	1283.7	1258.1	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	Vokert et al. (2010)	GSAM206_307
Kristen000977	1024.2	1004.8	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	Vokert et al. (2010)	GSAM206_307
Kristen000978	1215.5	1191.9	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	Vokert et al. (2010)	GSAM206_307
Kristen000979	1044.9	1025.1	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	Vokert et al. (2010)	GSAM206_307
Kristen000980	1252.4	1227.8	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	Vokert et al. (2010)	GSAM206_307
Kristen000981	1248.4	1223.4	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	Vokert et al. (2010)	GSAM206_307
Kristen000982	1025.3	1005.7	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	Vokert et al. (2010)	GSAM206_307
Kristen000983	1048.2	1028.4	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	Vokert et al. (2010)	GSAM206_307
Kristen000984	1301.2	1273.8	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	Vokert et al. (2010)	GSAM206_307
Kristen000985	1248.4	1216.8	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	Vokert et al. (2010)	GSAM206_307
Kristen000986	1161.3	1138.5	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	Vokert et al. (2010)	GSAM206_307
Kristen000987	1254.3	1229.5	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	Vokert et al. (2010)	GSAM206_307
Kristen000988	1232	1207.8	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	Vokert et al. (2010)	GSAM206_307
Kristen000989	1145.7	1110.1	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	Vokert et al. (2010)	GSAM206_307
Kristen000990	1289	1267	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	Vokert et al. (2010)	GSAM206_307
Kristen000991	1275	1255	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	Vokert et al. (2010)	GSAM206_307
Kristen000992	1260	1240	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	Vokert et al. (2010)	GSAM206_307
Kristen000993	1000	984	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	Vokert et al. (2010)	GSAM206_307
Kristen000994	1261	1245	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	Vokert et al. (2010)	GSAM206_307
Kristen000995	1271	1253	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	Vokert et al. (2010)	GSAM206_307
Kristen000996	1260	1238	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	Vokert et al. (2010)	GSAM206_307
Kristen000997	1024	1006	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	Vokert et al. (2010)	GSAM206_307
Kristen000998	1280	1262	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	Vokert et al. (2010)	GSAM206_307
Kristen000999	992	978	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	Vokert et al. (2010)	GSAM206_307
Kristen001000	1243	1223	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	Vokert et al. (2010)	GSAM206_307
Kristen001001	1261	1239	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	Vokert et al. (2010)	GSAM206_307
Kristen001002	1003	987	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	Vokert et al. (2010)	GSAM206_307
Kristen001003	1003	987	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	Vokert et al. (2010)	GSAM206_307
Kristen001004	1292	1260	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	Vokert et al. (2010)	GSAM206_307
Kristen001005	1255	1227	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	Vokert et al. (2010)	GSAM206_307
Kristen001006	1253	1233	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	Vokert et al. (2010)	GSAM206_307
Kristen001007	1266	1246	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	Vokert et al. (2010)	GSAM206_307
Kristen001008	1260	1240	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	Vokert et al. (2010)	GSAM206_307
Kristen001009	1130	1106	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	Vokert et al. (2010)	GSAM206_307