她和沃德配合阐发了英国哥伦比亚海岸的海底堆积物，测定了差别范例的碳的露量。 这些沉积物形成于上述两次大灭绝之间。
She and Ward analyzed seafloor sediments from the coast of British Columbia that accumulated during and between the two extinctions, measuring the ratios of different types of carbon.
粘土矿物广泛分布于原生沉积岩、三大岩类风化带及第四系松散堆积物构成的斜坡中。
Clay minerals distribute extensively in various slopes made of sedimentary rock, weathering profiles of igneous rock, metamorphic rock and sedimentary rock and colluvial deposits.
应用推荐