11. The outlet channel is more than a wide and cuts through glacial deposits . 12. The consequent surface glacial deposits include gravels as outwash and moraines. 13. The'tail', made up of glacial deposits , points south, ending at Drumintee. 14. The upper valley is primarily millstone grit with fluvio-glacial deposits . 15. A thick layer of glacial and post-glacial deposits is found on the valley floor. 16. The well drained glacial deposits provide fertile soils that can support intensive arable cultivation. 17. Soils of the southern terrain consist of various glacial deposits . 18. Glacial deposits along the lower reaches of the creek can be up to deep.19. Much of the Plunketts Creek valley is composed of various glacial deposits , chiefly alluvium. 20. The castle was originally a timber and earth fortification, built on modified glacial deposit .
