Sentence examples for minerals are present from inspiring English sources

But he needn't have gone so far; the two minerals are present in Cornwall.

In this case, no relict minerals are present in the system, which is at global equilibrium.

From geotechnical standpoint, clay minerals are present in a wide variety of rocks and soils.

This is particularly prevalent in arid regions where naturally occurring sulfate minerals are present in water and ground water.

In particular, massive sulfide rocks dominated by sulfide minerals are present only in the uppermost part of the upper unit (Fig. 1e).

Iron-containing minerals are present in marble to various degrees and include mainly iron sulphides (e.g. pyrite, marcasite), iron carbonates (siderite) and ferromagnesian silicates (biotite, hornblende) [2].

The shielding properties of CI and CM asteroidal taxonomy groups and major asteroidal minerals are presented in terms of stopping force.

In this study, new thermodynamic models of iron-rich clay minerals are presented which suggest that the activities of major ions, especially Fe2+, Fe3+, Al3+, H+ and SiO2 aq), act as key controls on the relative stabilities of iron-rich clay minerals.

They're layered and their composition is consistent with clay minerals being present".

Iron-bearing minerals were present within thin, discontinuous bands aligned roughly parallel.

Minerals were present that could pose both positive and negative effects on the long-term performance of the cap.