To confound matters, rocks known to form in warm water seem to have accumulated just after the glaciers receded.
(rocks; known; ) (rocks; to form; L:in warm water) (To confound matters; seem; rocks known to form in warm water) (rocks known to form in warm water; to have accumulated; T:just after the glaciers receded)
rocks rocks To confound matters rocks known to form in warm water
known to form seem to have accumulated
L:in warm water
rocks known to form in warm water
T:just after the glaciers receded