You'll find research pointing that many deposits of indigenous sulfur in spots that were the bottom of the ancient oceans have biological origin. The White Cliffs of Dover get their white colour from the large amount of chalk, fabricated from limestone, which they comprise, which displays the daylight. –– ––– https://whitetailblackcockatoo19417.dbblog.net/9137027/the-5-second-trick-for-rose-breasted-cockatoo