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 Siderite at Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA

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

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Dated Locality ID	Dated Locality	Ref	Ref ID
USGS-Rb-Sr-06644	156	146		58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-06645	156	146		58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-06646	156	146		58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-06647	156	146		58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-U-Th-Pb-01543_206_238	172.5	172.5	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01543_207_206	357.2	303.2	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01543_207_235	183.7	183.7	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01544_206_238	173.8	173.8	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01544_207_206	308.6	244.6	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01544_207_235	181.1	181.1	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01545_206_238	160.4	160.4	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01545_207_206	268.8	198.8	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01545_207_235	165.1	165.1	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01546_206_238	138.3	138.3	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01546_207_206	256.6	180.6	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01546_207_235	142.8	142.8	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01547_207_206	240.2	184.2	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01548_206_238	151.1	151.1	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01548_207_206	280	224	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01548_207_235	157.3	157.3	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01549_206_238	178.7	178.7	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01549_207_206	245.2	189.2	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01549_207_235	181.4	181.4	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01550_206_238	178.2	178.2	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01550_207_206	215.1	191.1	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01550_207_235	180	180	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01551_206_238	179.3	179.3	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01551_207_206	223.1	193.1	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01551_207_235	181.4	181.4	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01552_206_238	179.2	179.2	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01552_207_206	240	184	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01552_207_235	181.6	181.6	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01553_206_238	186	186	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01553_207_206	256.6	230.6	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01553_207_235	190.3	190.3	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01554_206_238	180.7	180.7	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01554_207_206	232.8	196.8	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01554_207_235	183.1	183.1	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01555_206_238	188.3	188.3	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01555_207_206	193.7	185.7	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01555_207_235	188.4	188.4	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01556_206_238	187.3	187.3	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01556_207_206	198.5	188.5	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01556_207_235	187.7	187.7	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01557_206_238	195.3	195.3	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01557_207_206	242.7	228.7	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01557_207_235	198.4	198.4	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01558_206_238	194.1	194.1	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01558_207_206	238	226	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01558_207_235	197	197	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01559_206_238	194.4	194.4	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01559_207_206	239.6	227.6	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01559_207_235	197.5	197.5	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01560_206_238	185.3	185.3	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01560_207_206	420.4	380.4	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01560_207_235	201.9	201.9	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01561_206_238	199.5	199.5	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01561_207_206	215.1	205.1	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01561_207_235	200.4	200.4	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01562_206_238	205.9	205.9	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01562_207_206	283.3	269.3	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01562_207_235	211.6	211.6	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01563_206_238	133.7	133.7	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01563_207_206	336.3	324.3	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01563_207_235	144.8	144.8	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01564_206_238	135.7	135.7	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01564_207_206	356.8	332.8	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01564_207_235	147.7	147.7	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01565_206_238	128.3	128.3	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01565_207_206	289.5	279.5	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01565_207_235	136.7	136.7	Zircon	58584	Florida Mine, Robinson Property (Robinson Group), Stone Cabin Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA	USGS-U-Th-Pb	USGS-U-Th-Pb