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.
Welcome to Black Iron Inc. Black Iron is a Canadian iron ore exploration and development company advancing its 100% owned Shymanivske Project located in Krivyi Rih, Ukraine, to production. The Shymanivske Project contains 646 million tonnes measured and indicated resources grading 31.6% iron and 188 million tonnes inferred resources grading 30.1% iron.