Publication Date:
2024-03-16
Description:
During the Meteor 79/3 expedition on the Cabo Verde Archipelago/NE Atlantic region, rock samples were obtained using a dredge haul. 40Ar-39Ar laser total fusion geochronological analyses have been performed on K-feldspar and biotite single-/multi-crystal separates from one sample (950-2). The 40Ar-39Ar analyses were determined using a MAP216 mass spectrometer at GEOMAR, a MAP argon extraction line and a 25 W Coherent Sabre 25TSM argon ion laser, from 30th August 2017 until 2nd September 2017. The Taylor Creek sanidine (TCS2) flux standard was used with an age of 27.344 +/- 0.011 Ma (1 sigma error; Fleck et al. 2019).
Keywords:
Age; Alteration Index 36Ar/39Ar; Argon-36; Argon-37; Argon-38; Argon-39; Argon-40; Argon-40, radiogenic/Argon-39; Cabo Verde; Crystal identification; Date of determination; Dredge, chain bag; DRG_C; Error, analytical; geochronology; Laser power; M79/3; M79/3_950; M79/3_950-1; Mass; Material; Meteor (1986); Potassium/Calcium ratio; Sample code/label; Type
Type:
Dataset
Format:
text/tab-separated-values, 2730 data points
