In the Devonian period,the paleolatitude of the two massifs are consistant,but their paleo-orientation are different, so these imply that there was rotation movement between them after amalgamation.

• 泥盆纪时,两地块古纬度一致,但古方位不同,可能反映在碰撞拼合后二者间仍有相对的旋转运动。