Stephen Thompson, Tom Dowrick, Mian Ahmad, Jeremy Opie, Matthew J Clarkson
Are fiducial registration error and target registration error correlated? SciKit-SurgeryFRED for teaching and research
Proceedings of SPIE--the International Society for Optical Engineering
rare earth element ree yttrium concentrations measured fluids collected deepsea hydrothermal systems including midatlantic ridge mar ie menez gwen lucky strike tag snakepit east pacific rise epr ie 13n 1719s lau vai lili manus vienna woods pacmanus desmos backarc basins bab southwest pacific fluids trivalent behaves like ho chondrite normalized yree yreen concentrations fluids mar epr two bab sites ie vai lili vienna woods showed common patterns lree enrichment positive eu anomalies ree analysis plagioclase collected lucky strike strengthens idea fluid ree contents controlled plagioclase phenocrysts processes however ree complexation ligands cl f so42 secondary phase precipitation phase separation modify ree distributions deepsea hydrothermal fluids ree speciation calculations suggest aqueous ree mainly complexed cl ions hot acidic fluids deepsea hydrothermal systems ree concentrations fluid phases therefore influenced temperature ph duration rockfluid interaction unusual yreen patterns found pacmanus fluids characterized depleted lree positive eu anomaly demos fluid sample shows flat yreen pattern increases regularly lree hree eu anomaly manus basin fluids also unusual major element chemistry relatively high mg so4 h2s f contents may due incorporation magmatic fluids heated seawater hydrothermal circulation ree distribution pacmanus fluids may stem subseafloor barite precipitation ree demos fluids likely influenced presence sulfate ions