Materials

Formation

Outcrop

Arch 2

Arch 3

Pier of arch 1

Pebbles

b

PO 7, PO 8

Phytoclastic travertine

TRV

PO 3, PO 4

PO 1

PO 2

Sandstone

ACP

PO 5, PO 6, POS 1, POS 2, POS 3, POS 4

Mortar

PO 9

PO 10

PO 11