Zeolite was formed when ash from volcanoes was deposited in alkaline and saline lakes millions of years ago.
(Zeolite; was formed; T:when ash from volcanoes was deposited in alkaline and saline lakes millions of years ago) (when ash from volcanoes; was deposited; in alkaline and saline lakes millions of years ago)
Zeolite when ash from volcanoes
was formed was deposited
T:when ash from volcanoes was deposited in alkaline and saline lakes millions of years ago
in alkaline and saline lakes millions of years ago