The middle oil-member is characterized by medium-sized sandstone and pebbled sandstone, with fair sorting and subangular sphaericity.Rock types mainly were feldspar debris sandstone.
The happening of debris flow is a complicated problem, and it is the outcome of polysynthesism coaction, this brought difficulty to analytical prediction of development trend of debris flow.
At high magnification, the germinal center in this reactive lymph node follicle has prominent macrophages with irregular cellular debris (so-called "tingible body macrophages").