Chronology of Early to Mid-Pleistocene sediments in the northern North Sea: New evidence from amino acid and strontium isotope analyses
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Keywords
Quaternary
Amino acid racemization
D/L Asp (aspartic acid)
Foraminifera
Elphidium excavatum
87Sr/86Sr values
Sr age
Bruhnes/Matuyama (B/M) boundary
Calibration curve
North Sea geochronology
Abbreviations
AAR
amino acid racemization
Asp
aspartic acid
B/M
Bruhnes/Matuyama
Glu
glutamic acid
m
meter, here 'meters below the seafloor'
Ma
million years
MIS
marine oxygen isotope stage
RP-HPLC
reverse-phase high-pressure liquid chromatography
ka
kilo annum
Sr
strontium
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