TY - RPRT TI - Bedded jaspers of the Ordovician Løkken ophiolite, Norway: seafloor deposition and diagenetic maturation of hydrothermal plume-derived silica-iron gels AU - Tor Grenne AU - John F. Slack PY - 2003 DO - 10.1007/s00126-003-0346-3 UR - https://pubs.usgs.gov/publication/70025860 ID - 70025860 ER -