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 Astrophyllite at Carroll Co., New Hampshire, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 206.4Ma - 178Ma 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
USGS-Rb-Sr-01804	206.4	184.4				16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
Alexandra-0193	188	178				5942	Hurricane Mountain Localities, North Conway, Conway, Carroll Co., New Hampshire, USA	Bradley et al. (2016)	CM54_945

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Dated Locality ID	Dated Locality	Ref	Ref ID
Alexandra-0193	188	178		5942	Hurricane Mountain Localities, North Conway, Conway, Carroll Co., New Hampshire, USA	Bradley et al. (2016)	CM54_945
AREPS5_257-00006	197	197		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	Zartman (1977)	AREPS5_257
AREPS5_257-00013	171	171		8204	South Baldface Mountain Localities, Chatham, Carroll Co., New Hampshire, USA	Zartman (1977)	AREPS5_257
AREPS5_257-00021	121	121		30144	Ossipee, Carroll Co., New Hampshire, USA	Zartman (1977)	AREPS5_257
AREPS5_257-00033	171	171		6092	South Baldface Mountain Phenakite Locality (Charles Ravine Locality), Chatham, Carroll Co., New Hampshire, USA	Zartman (1977)	AREPS5_257
USGS-Rb-Sr-00200	195.99	175.99		205884	Redstone, Conway, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-00201	188.14	170.14		205884	Redstone, Conway, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01135	175.41	157.41		205884	Redstone, Conway, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01770	201.6	195.2		30127	Horne Quarry, Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01771	201.5	195.9		30127	Horne Quarry, Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01774	201.6	195.2		30127	Horne Quarry, Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01775	201.5	195.9		30127	Horne Quarry, Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01790	200.9	196.5		30127	Horne Quarry, Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01791	200.9	196.5		30127	Horne Quarry, Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01792	200.9	196.5	Nepheline	30127	Horne Quarry, Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01794	200.9	196.5	Sodalite	30127	Horne Quarry, Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01795	200.9	196.5	Sodalite	30127	Horne Quarry, Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01796	200.9	196.5		30127	Horne Quarry, Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01797	200.9	196.5		30127	Horne Quarry, Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01803	201.6	195.2		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01804	206.4	184.4		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01805	201.6	195.2		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01806	206.4	184.4		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01807	201.6	195.2		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01808	206.4	184.4		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01809	201.6	195.2		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01810	206.4	184.4		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01817	188.6	186.4		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01818	188.6	186.4		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01819	188.6	186.4		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01820	188.6	186.4		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01821	188.6	186.4		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-01822	188.6	186.4		16306	Red Hill, Moultonborough, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02173	175.67	157.67		205884	Redstone, Conway, Carroll Co., New Hampshire, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-U-Th-Pb-00041_206_238	194.6	176.6	Zircon	205884	Redstone, Conway, Carroll Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00041_207_206	189.9	69.9	Zircon	205884	Redstone, Conway, Carroll Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00041_207_235	190.6	172.6	Zircon	205884	Redstone, Conway, Carroll Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00345_206_238	190.6	180.6	Zircon	205884	Redstone, Conway, Carroll Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00345_207_206	189.9	69.9	Zircon	205884	Redstone, Conway, Carroll Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00345_207_235	186.6	176.6	Zircon	205884	Redstone, Conway, Carroll Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb