â¢ SULTAN (noun). The noun SULTAN has 1 sense: 1. the ruler of a Muslim country (especially of the former Ottoman Empire). Familiarity information: SULTAN used as a noun is very rare. SULTAN (noun). The noun SULTAN has 1 sense: 1. the ruler of a Muslim country (especially of the former Ottoman Empire). Familiarity information: SULTAN used as a noun is very rare.
Fossils also form from molds and casts. If an organism completely dissolves in sedimentary rock, it can leave an impression of its exterior in the rock, called an external mold. If that mold gets filled with other minerals, it becomes a cast. An internal mold forms when sediments or minerals fill the internal cavity, such as a shell or skull, of an organism, and the remains dissolve. Organic remnants. In recent years, researchers have discovered that some fossils aren't just made of minerals.
Split and merge into it. Answered by The Community. Making the world better, one answer at a time. Chalk is made of calicite, which is a form of limestone, limestone is a type of Sedimentary rock. sedimentary rock is made out of sediments which are the remains of broken down rocks, shells,and different things like that.halk is a sedimentary rock composed of the skeletal remains of tiny marine organisms and is composed mainly of the mineral calcite. As such, chalk is not a mineral.