11. But the wells tapped into groundwater contaminated by arsenic from sedimentary deposits deep below Bangladesh. 12. The'sequence'part of the name refers to cyclic sedimentary deposits . 13. When seas receded, terrestrial sedimentary deposits and erosion dominated. 14. In most places the original rocks are buried far below more recent volcanic and sedimentary deposits . 15. Its underlying strata were formed by Pliocene and Pleistocene lava flows covered by Holocene sedimentary deposits . 16. This disturbs the chemical balance and causes precipitation of the carbonates, which then creates sedimentary deposits . 17. The upper levels of strata are sedimentary deposits from the Holocene, which are thick in some areas. 18. The Mesozoic Era sedimentary deposits are striking. 19. These channels are the main transport pathway for sediments to the deep sea where they form sedimentary deposits . 20. This relatively new branch of geological science linking eustatic sea level to sedimentary deposits is called sequence stratigraphy.
