Platinum
Platinum exists in higher abundances on the Moon and in meteorites. Correspondingly, platinum is found in slightly higher abundances at sites of bolide impact on Earth that are associated with resulting post-impact volcanism, and can be mined economically; the Sudbury Basin is one such example.
Platinum in Africa
Platinum, and platinum group metals, are produced in Zimbabwe and South Africa. Of the multitudes of companies involved in producing platinum group metals in these two countries, these are the principal operators: