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 Muscovite at Bugle, Treverbyn, Cornwall, England, UK

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 289.8Ma - 253.1Ma 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
Lucy_115b	289.8	280.6	Muscovite			1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_111a	261.7	253.1	Muscovite			1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064

Direct age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Dated Locality ID	Dated Locality	Ref	Ref ID
Lucy_111a	261.7	253.1	Muscovite	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_111b	269.6	260.6	Muscovite	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_112a	283.2	274.6	Muscovite	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_114a	266.1	257.7	Muscovite	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_114b	266.1	257.7	Muscovite	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_114c	277.9	268.9	Muscovite	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_114d	282.9	274.1	Muscovite	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_115a	284.2	275.2	Muscovite	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_115b	289.8	280.6	Muscovite	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_115c	283.3	274.3	Muscovite	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Locality ID	Dated Locality	Ref	Ref ID
Lucy_105	276.9	272.7	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_106	275.9	266.9	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_107	272.7	269.1	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_108	276.3	272.1	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_109a	313	289	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_109b	274.7	272.5	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_110	282	278	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_112b	289.8	280.6	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_113a	270.6	262	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_113b	281.3	272.9	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_115d	280.8	272.2	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_115e	281.6	273	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_115f	280.8	272.2	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_115g	280.8	272.2	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_115h	280.8	272.2	1189	Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_132b	277.7	269.7	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_132c	324.9	315.3	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_132d	320.4	310.8	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_132e	305.5	296.3	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_132f	263.8	255.4	1190	Imperial Goonbarrow China Clay Works, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_132g	271	262.2	1190	Imperial Goonbarrow China Clay Works, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_141a	277.1	268.1	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_141b	285.7	277.1	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_141c	282.2	273.6	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_141d	267.1	258.5	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_142a	273.2	264.6	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_142b	253.9	245.9	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_142c	270.2	261.6	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_142d	266.2	257.8	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_142e	270.6	262	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_142f	273.1	264.5	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_142g	273.2	264.6	967	Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_143a	287.1	277.9	1190	Imperial Goonbarrow China Clay Works, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_143b	296.4	287	1190	Imperial Goonbarrow China Clay Works, Bugle, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064