JOHANNESBURG, April 10 (Reuters) - Anglo American Platinum (Amplats) has not received any credible offers for any of its South African assets, the mining company's CEO told Reuters after speculation over the possible sale of its higher-cost operations.

There unit of Anglo American has not attracted interest in its Amandelbult complex or its mothballed Twickenham platinum mine, Chief Executive Craig Miller said on Wednesday. (Reporting by Felix Njini Editing by Nellie Peyton and David Goodman)