Plants play a major role in the chemical weathering
of continental rocks.
As on Earth, chemical weathering
and hydrothermal reactions can change minerals in rock from dry to water-bearing.
the K2 O is erratic during chemical weathering
and leaches out during soil formation.
Over a period of time, this process - known as chemical weathering
- cooled the planet back down, and ushered in another ice age.
The bicarbonates produced by chemical weathering
also play an important role in the big picture.
The effects of chemical weathering
of sedimentary rocks were described by Chigira and Oyama .
This will pave the way for the development of a new proxy of chemical weathering
intensity applicable on a global scale and will serve to establish the European research area as a world leader in weathering processes.
The new data show clear chemical weathering
trends, and clay accumulation at the expense of the mineral olivine, as expected in soils on Earth.
Clay minerals, in general, are the resultant end-products of weathering and are therefore more resistant to chemical weathering
than their parent materials (Jackson et al.
Scientists from Oxford University studied rocks from locations including Beachy Head, near Eastbourne, and South Ferriby, North Lincolnshire, to investigate how chemical weathering
of rocks "rebalanced" the climate after vast amounts of carbon dioxide (C[O.
The laterite duricrust is a product of prolonged chemical weathering
and forms by relative accumulation of Fe and A1 as more soluble components are lost from the weathering profile.
The Circle of Ancient Iranian Studies (CAIS) in Britain has said the dampness has caused chemical weathering
that has brought corrosion and decay, caused the stone masonry walls to crack and gradually crumble.