The exine of pollen wall is of different electron density, the nexine dense and the sexine, comprising tectum, bacules, and foot layer, relatively thin.
BlueStar cleaning technology uses BlueStar series of cleaning agent eliminate the dirt and cover on the object surface by the technique of degrease, derust and passivation.
In the case of mudstone to be a source rock, the uncompacted mudstone would have a strong capability of hydrocarbon concentation sealing to seal gas in diffusive phase.