MHba1

Loose rock composed of a yellowish to yellowish clay matrix. tends to be blackish, smooth and sticky to the touch. In the matrix, can be some inclusions some granules centimetre-sized alterites. Broken with a hammer, these granules show a reddish kaolin coloration similar to those observed in the MHc0 horizon. Covered and more or less healthy as you move towards the south. At the centre, these granules are easily crumbly.

MHba2

Loose rock at the top of the essentially clayey profile which is yellowish in colour with a strong tendency black worms showing contact with organic matter. With a very fine grain size, this rock has virtually no structure.

no visible granular inclusions.