ATT5834778 ATT5834779 ATT5834780 ATT5834781 Bell Tower Close up of the garnet Examining the Bell Tower limestone Examining the garnet in the garnet amphobile Frannie teaching about the cobbles Learning about the banded-iron formation (BIF) Looking at the limestones at the Bell Tower Subhashis teaching at the jasper conglomerate Taking notes about the limestone at the Bell Tower jasper conglomerate boulder