quarry, mine with red clay soil by m-20 road to tskhratskaro pass, georgia

brown canyon caucasus clay color country countryside dig earth environment erosion europe extraction geologic geological geology georgia grass hole industry landscape m20 material metal mineral mountain nature orange ore outdoor oxidation pass pattern quarry quarrying raw red soil region road rock samtskhejavakheti stone surface travel tskhratskaro m-20 samtskhe-javakheti southern