When the monzonite is eventually exposed, these cracks cause weathering which in turn leads to vertical columns and piles of rounded boulders standing alone on the desert.
(the monzonite; is exposed; T:eventually) (these cracks; cause; weathering which in turn leads to vertical columns and piles of rounded boulders; T:When the monzonite is eventually exposed) (weathering; leads; to vertical columns and piles of rounded boulders) (rounded boulders; standing; alone; L:on the desert)
the monzonite these cracks weathering rounded boulders
is exposed cause leads standing
T:eventually
weathering which in turn leads to vertical columns and piles of rounded boulders T:When the monzonite is eventually exposed
to vertical columns and piles of rounded boulders
alone L:on the desert