Natural History & Ecology: Mature striped dolphins may range in length from 180 cm to 256 cm and 110 to 160 kg in weight. Average length at sexual maturity has been found to be 195 to 220 cm for both males and females of the species at an age of 9 to 10 years old.
Bog iron is a type of iron ore composed of mostly mineral goethite and other iron-bearing minerals with impurities like clay or plant debris. Bog iron used to be a very important ore of iron before better alternatives like banded iron formations were discovered.
Firstly, cast iron is made by casting process, or called as casting method, which is a type of metal fabrication method. You can compare it with forging, stamping, welding met â¦ hods. Secondly, the main raw material for producing cast iron is pig iron.