Researchers have found a remarkable effect while studying how marine particles sink, which could affect the way scientists assess global carbon fluxes.
Ammonites are an group of marine animals of the subclass Ammonoidea in the class Cephalopoda. They are excellent index fossils, and it is often possible to link the rock layer in which they are found to specific geologic time periods.mmonites are an group of marine animals of the subclass Ammonoidea in the class Cephalopoda. They are excellent index fossils, and it is often possible to link the rock layer in which they are found to specific geologic time periods.
Evaporites, a special type of chemical sedimentary rock that include halite and gypsum, form as sediments, and are left behind when water in the original solution evaporates. To unlock this lesson you must be a Study.com Member.Create your account.alite: Halite is the scientific term for rock salt. In fact, if you lick a chunk of halite, it tastes like salt! (Because it is salt, after allâ¦) Halite is part of a group of chemical sedimentary rocks called evaporites.