Earth’s oldest putative fossil assemblage from the ~3.5 Ga Apex chert, Chinaman Creek, Western Australia: a field and petrographic guide

Earth & Environmental Sciences

• fossil assemblage 100%
• microfossil 92%
• chert 90%
• creek 72%
• Earth science 55%
• geological survey 50%
• silica 41%
• basalt 17%
• paleosurface 15%
• growth fault 13%
• Earth structure 13%
• volcanic glass 13%
• advice 11%
• marble 11%
• laboratory 10%
• thickening 10%
• fissure 10%
• thin section 10%
• fieldwork 10%
• host rock 10%
• Archean 9%
• school 9%
• field study 9%
• student 8%
• geochemistry 8%
• vehicle 8%
• program 5%
• project 5%