stratigraphy.org/ICSchart/Chr...
My child in the next room: "Well, I do!"
My child in the next room: "Well, I do!"
If the Precambrian is 4/5 of earth's history, is it bad if I want to spend 4/5 of the class time on the Precambrian 😅
If the Precambrian is 4/5 of earth's history, is it bad if I want to spend 4/5 of the class time on the Precambrian 😅
570 million year old Precambrian rock—mainly granite—form the mountains just outside of #Aqaba #Jordan
The mountains are criss-crossed with layers of intruded igneous rock,
570 million year old Precambrian rock—mainly granite—form the mountains just outside of #Aqaba #Jordan
The mountains are criss-crossed with layers of intruded igneous rock,
#geology #inlandnorthwest #precambrian #montana #montanageology
#geology #inlandnorthwest #precambrian #montana #montanageology