@misc{indiciae938990e01911, title = {Protracted construction of gabbroic crust at a slow spreading ridge: Constraints from 206 Pb/ 238 U zircon ages from Atlantis Massif and IODP Hole U1309D (30°N, MAR)}, author = {Craig B. Grimes and Barbara E. John and Michael J. Cheadle and Joseph L. Wooden}, year = {2008}, doi = {10.1029/2008gc002063}, url = {https://pubs.usgs.gov/publication/70035303}, note = {Source identifier: 70035303} }