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Jensan Scientifics LLC Anshan Oldest Zircons North China Craton [~3.8 Ga] Anshan Detrital Zircons from the Dongshan Complex Unearth the oldest zircons in China, dating back a MSRP: Was: Now: $145.00 Add to Cart
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Jensan Scientifics LLC Middle Marker Chert Oldest Sedimentary Unit [219 gm~3.47 Ga] Middle Marker Horizon Chert Barberton South Africa Discover one of Earth's oldest sedimentary horizo MSRP: Was: Now: $695.00 Add to Cart
Jensan Scientifics LLC Isua Banded Iron Formation Greenland [24 gm ~ 3.7 Ga] Isua Banded Iron Formation and Earth's Magnetic Field The Isua Greenstone Belt Banded Iron Formation MSRP: Was: Now: $595.00 Add to Cart
Jensan Scientifics LLC Manson Impact Structure Crow Creek Impact Ejecta Manson Impact Structure: A Hidden Giant Discover one of the largest intact impact structures in Nort MSRP: Was: Now: $65.00 Add to Cart
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