Ages for Zircon at Providence Co., Rhode Island, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 238Ma - 222Ma 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
  Alexandra-0414	238	222				6716	Grants Mills, Cumberland, Providence Co., Rhode Island, USA	Zartman et al. (1970)	GSAB81_3359

• Direct age

• 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
  USGS-U-Th-Pb-01510_206_238	548	548	Zircon			236643	Wanskuck, Providence, Providence Co., Rhode Island, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01510_207_206	617	617	Zircon			236643	Wanskuck, Providence, Providence Co., Rhode Island, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01510_207_235	562	562	Zircon			236643	Wanskuck, Providence, Providence Co., Rhode Island, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01511_206_238	541	541	Zircon			236643	Wanskuck, Providence, Providence Co., Rhode Island, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01511_207_206	615	615	Zircon			236643	Wanskuck, Providence, Providence Co., Rhode Island, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01511_207_235	555	555	Zircon			236643	Wanskuck, Providence, Providence Co., Rhode Island, USA	USGS-U-Th-Pb	USGS-U-Th-Pb

• Locality age

• 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
  Alexandra-0413	247	233				219632	Scituate, Providence Co., Rhode Island, USA	Zartman et al. (1970)	GSAB81_3359
  Alexandra-0414	238	222				6716	Grants Mills, Cumberland, Providence Co., Rhode Island, USA	Zartman et al. (1970)	GSAB81_3359