A
(6)
| B
(6)
| C
(10)
| D
(11)
| E
(7)
| F
(10)
| G
(10)
| H
(1)
| I
(2)
| J
(1)
| L
(7)
| M
(12)
| O
(3)
| P
(11)
| Q
(3)
| R
(9)
| S
(23)
| T
(5)
| U
(3)
| W
(1)
Window
An area in a thrust sheet where the rocks have been eroded down to the underlying thrust fault, thereby exposing rocks beneath the thrust sheet.