11. Some clastic quartz sands and argillaceous layers. 12. The group consists of Predominantly grey, marine mudstone and silty mudstone with beds of argillaceous limestone nodules. 13. The cultivation of the surrounding fields was achieved by intense, hard work since the area is highly argillaceous . 14. For the Lower Tal, there are four subdivisions : the Chert, Argillaceous , Arenaceous and Calcareous Units. 15. A series of small narrow brown spots extends along the termen at the base of the pale tawny argillaceous cilia. 16. This technique was used for the images at H�gsby in Dalsland, where argillaceous slate was favourable to this method. 17. The Middle and Upper Oxford Clays differ slightly, as they are separated by an argillaceous limestone in the South Midlands. 18. The adjective " argillaceous " is also used to define rocks in which clay minerals are a secondary but significant component. 19. The dam, which is made of argillaceous and quartzitic shale, is sealed with an internal core of grass sods. 20. These members are the Spects Ferry, a geological an argillaceous limestone, argillaceous dolomite, Calcareous shale and argillaceous limestones.
