id	keyword
amq-55	et al
amq-55	sapropel
amq-55	sea
amq-55	mediterranean
amq-55	temperature
amq-55	ruber
amq-55	italic
amq-55	ratios
amq-55	water
amq-55	foraminifera
amq-55	surface
amq-55	ionian
amq-55	core
amq-55	atlantic
amq-55	changes
amq-55	sapropel s1
amq-55	isotopic