The very low permeability of the rock supports this conclusion.

Permeability of the host rock is 10–11 cm2 (after Norton and Knight, 1977).

The host rock will be left to prevent the dispersal of the radioactive material.

Primary gold is Reef or Lode gold where the gold is still deposited in its original host rock.

Primary gold is Reef or Lode gold where the gold is still deposited in its original host rock.

Primary gold is Reef or Lode gold where the gold is still deposited in its original host rock.

containment and isolation characteristics of the host rock: geological, hydrogeological, mineralogical, chemical and mechanical

While the cold gas contracts the host rock surrounding the injection site, its high pressure increases the size of the pores in the rocks.

While the cold gas contracts the host rock surrounding the injection site, its high pressure increases the size of the pores in the rocks.

In primary deposits, the gemstones still have their original relationship with their host rock.

The host rock is a dalmatianite with sillimanite, potassic feldspar and muscovite (see photograph below).

It is usually found in the form of a vein, but it does seem to occur with other minerals in the form of a host-rock or holding rock.

The short-term assessment mainly addresses the excavation-induced poroelastic response of the host rock.

3. that the deposited material must have the necessary stability compatible with the geo-mechanical properties of the host rock.

Horizontal bands can serve as spirit levels to determine the original orientation of the specimen in the host rock.