ARCHAEAN

Before
1: S
late
2: SU
early
After
1: S
crust, rocks, age
2: SU
greenstone, basement
Surrounder Phrases
granite gneiss, gneisses, rockscontinental crust, crustal, basement, mantle, rocksbasement gneisses, gneiss, rockscrustal rocks, agelower crustal, crust, mantle, granite, continentalmantle rockscrust mantleearly age, timeshigh granitetimes lower