Entry tags:
- altar stone,
- bluestones,
- caledonians orogeny,
- continental drift,
- current archaeology magazine,
- iapetus suture,
- igneous rock,
- isotopic age,
- journal of archaeological science,
- laurentia,
- nature magazine,
- neolithic,
- orcadian basin,
- orkney,
- paleozoic,
- peter turner,
- plate tectonics,
- preseli hills,
- radiometric age dating,
- richard beyins,
- rob ixer,
- salisbury museum,
- sandstone,
- scapa flow,
- scotland,
- shetland islands,
- stonehenge,
- wessex,
- william hawley,
- wits 277