Ages for Nitrocalcite at Virginia, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1132Ma - 139Ma at this locality

• 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-0192	253.01	253.01				4200	Morefield Mine (Morefield Pegmatite), Winterham, Amelia Co., Virginia, USA	Bradley et al. (2016)	CM54_945
  sedcu-00678	220	220			Cu	4204	Fairfax Co., Virginia, USA	Cox et al. (2003)	USGSOFR03_107
  USGS-Rb-Sr-02140	139	139				105141	Quarry (MRDS - 10300713), Tazewell Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-03864	662.45	502.45				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-03865	362.78	306.78				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-03866	662.45	502.45				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-03867	362.78	306.78				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-03868	662.45	502.45				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-03869	362.78	306.78				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-03870	662.45	502.45				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-03871	362.78	306.78				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05911	585	555				104245	Madison Quarry, Madison Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05912	585	555				104245	Madison Quarry, Madison Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05943	547	393				104253	Stoney Man Mine, Northern Section-Blue Ridge Province, Madison Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05944	545	437				104253	Stoney Man Mine, Northern Section-Blue Ridge Province, Madison Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05945	547	393				104405	Hawksbill Mountain Prospect, Northern Section-Blue Ridge Province, Page Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05946	545	437				104405	Hawksbill Mountain Prospect, Northern Section-Blue Ridge Province, Page Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05949	547	393				104244	Hawksbill Mountain Mine, Madison Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-05950	545	437				104244	Hawksbill Mountain Mine, Madison Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06521	508	480				103563	Graham-Virginia Granite Quarry (Mideast Div. Vulcan Materials Company), Fairfax Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06533	500	500				104526	Crawford Placers Prospect (Neabsco Creek Prospect), Gold-Pyrite Belt, Prince William Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06539	463	445				103726	Quarry (MRDS - 10252457), Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06540	463	445				103726	Quarry (MRDS - 10252457), Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06541	334	274	Muscovite			103726	Quarry (MRDS - 10252457), Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06542	334	274				103726	Quarry (MRDS - 10252457), Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06543	382	312				103726	Quarry (MRDS - 10252457), Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06544	382	312				103726	Quarry (MRDS - 10252457), Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06546	454	380				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06547	454	380				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06548	454	380				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06549	306	250	Muscovite			103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06551	454	380				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06552	454	380				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06553	454	380				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06554	454	380				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06555	454	380				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-06556	454	380				103705	Cowherd Quarry, Fluvanna Co., Virginia, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-U-Th-Pb-01187_206_238	943	943	Zircon			103674	Lester McAlexander Mine (Luster McAlexander Mine), Southern Section-Blue Ridge Province, Floyd Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01187_207_206	1129	1129	Zircon			103674	Lester McAlexander Mine (Luster McAlexander Mine), Southern Section-Blue Ridge Province, Floyd Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01187_207_235	996	996	Zircon			103674	Lester McAlexander Mine (Luster McAlexander Mine), Southern Section-Blue Ridge Province, Floyd Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01188_206_238	895	895	Zircon			103674	Lester McAlexander Mine (Luster McAlexander Mine), Southern Section-Blue Ridge Province, Floyd Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01188_207_206	1132	1132	Zircon			103674	Lester McAlexander Mine (Luster McAlexander Mine), Southern Section-Blue Ridge Province, Floyd Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01188_207_235	962	962	Zircon			103674	Lester McAlexander Mine (Luster McAlexander Mine), Southern Section-Blue Ridge Province, Floyd Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01902_206_238	892	892	Zircon			104310	Giles-Hite Prospect (A. T. Stratton Prospect; Hight Prospect; Hite Prospect; H. M. Giles Prospect; Shelton Prospect; H. H. Harvey Prospect), Roseland, Nelson Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01902_207_206	980	980	Zircon			104310	Giles-Hite Prospect (A. T. Stratton Prospect; Hight Prospect; Hite Prospect; H. M. Giles Prospect; Shelton Prospect; H. H. Harvey Prospect), Roseland, Nelson Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01902_207_235	918	918	Zircon			104310	Giles-Hite Prospect (A. T. Stratton Prospect; Hight Prospect; Hite Prospect; H. M. Giles Prospect; Shelton Prospect; H. H. Harvey Prospect), Roseland, Nelson Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01904_206_238	991	991	Zircon			104317	Jacks Hill Mine, Nelson Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01904_207_206	1040	1040	Zircon			104317	Jacks Hill Mine, Nelson Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  USGS-U-Th-Pb-01904_207_235	1006	1006	Zircon			104317	Jacks Hill Mine, Nelson Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
  vms-01075	1000	541				11508	Iron Ridge Mine (Bumbarger Pit; Great Outburst Mine; Huey Pit; Monarat Mine), Fries, Gossan Lead District, Southern Section-Blue Ridge Province, Carroll Co., Virginia, USA	Moiser et al. (2009)	USGSOFR2009-1034
  vms-01076	550	550			S	105063	Valzinco Mine (Halladay Mine; Holloday Mine; Panaminus Mine), Gold-Pyrite Belt, Spotsylvania Co., Virginia, USA	Moiser et al. (2009)	USGSOFR2009_1034

• Locality age (deprioritized)

• 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
  ree-00759	541	541				52378	Little Friar Mountain Mine (Massie Mine), Amherst Co., Virginia, USA	Orris and Grauch (2002)	USGSOFR02_189