March 10 (Reuters) - First Quantum Minerals Ltd FM.TO :
* First Quantum Minerals announces senior notes offering
* First Quantum Minerals Ltd says launching an offering of $1,600 million of senior notes due 2023 and 2025
* First Quantum Minerals - intends to use proceeds to refinance existing senior notes due 2019, 2020 Source text for Eikon: ID:nCCN77q3b9 Further company coverage: FM.TO