Occurrence and geochronology of the Eoarchean, ~3.9 Ga, Iqaluk Gneiss in the Saglek Block, northern Labrador, Canada: evidence for the oldest supracrustal rocks in the world

• Published in: Precambrian Research
• Main Authors: Shimojo, Masanori, Yamamoto, Shinji, Sakata, Shuhei, Yokoyama, Takaomi D., Maki, Kenshi, Sawaki, Yusuke, Ishikawa, Akira, Aoki, Kazumasa, Aoki, Shogo, Koshida, Keiko, Tashiro, Takayuki, Hirata, Takafumi, Collerson, Kenneth D., Komiya, Tsuyoshi
• Format: Article in Journal/Newspaper
• Language: English
• Published: Elsevier BV 2016
• Subjects: Eoarchean; Geochronology; Hadean; Saglek Block; Supracrustal rocks; The oldest rock; 1906 Geochemistry and Petrology; 1907 Geology; Canada; Hebron; St. John's Harbour; North Atlantic
• Online Access: https://espace.library.uq.edu.au/view/UQ:385587

Understanding Earth's early evolution requires decoding the cryptic geological record that is preserved in a few extremely rare terrains on Earth. The Saglek-Hebron Block in the North Atlantic Craton is one of the oldest terrains in the world. To better understand the Eoarchean history of the S...