Question: describe and explain the age of materials around the mid-atlantic ridge

title: Mid-Atlantic Ridge
text: Ascension Island ( The Peak , Green Mountain , 859 m , at 07 ° 59 ′ S 14 ° 25 ′ W ﻿ / ﻿ 7.983 ° S 14.417 ° W ﻿ / - 7.983 ; - 14.417 ) Saint Helena ( Diana 's Peak , 818 m at 15 ° 57 ′ S 5 ° 41 ′ W ﻿ / ﻿ 15.950 ° S 5.683 ° W ﻿ / - 15.950 ; - 5.683 ) Tristan da Cunha ( Queen Mary 's Peak , 2062 m , at 37 ° 05 ′ S 12 ° 17 ′ W ﻿ / ﻿ 37.083 ° S 12.283 ° W ﻿ / - 37.083 ; - 12.283 ) Gough Island ( Edinburgh Peak , 909 m , at 40 ° 20 ′ S 10 ° 00 ′ W ﻿ / ﻿ 40.333 ° S 10.000 ° W ﻿ / - 40.333 ; - 10.000 ) Bouvet Island ( Olavtoppen , 780 m , at 54 ° 24 ′ S 03 ° 21 ′ E ﻿ / ﻿ 54.400 ° S 3.350 ° E ﻿ / - 54.400 ; 3.350 )