rescue v. c.1300, from stem of Old French rescorre protect, keep safe; free, deliver (Modern French recourre), from re-, intensive prefix (see re-), + escourre to cast off, discharge, from Latin excutere to shake off, drive away, from ex-out (see ex-) + -cutere, combining form of quatere to shake (see quash).
Rockhound. Sandstone is a sedimentary rock composed of cemented weathered grains of rock, most abundantly, quartz grains from granite. Quartzite is metamorphosed sandstone, the product of intense pressure and heat which has caused the individual grains to recrystallize into larger crystals which are interlocked.uartzite is the metamorphic product of sandstone. During metamorphism, intense heat and/or pressure cause the quartz grains contained in the sandstone grow and recrystallize, â¦ interlocking together creating Quartzite. 4 people found this useful.
The difference between the mixture of sand and gravel. a) Alternating Abrupt gravel-sand transitions are quite common in the field, ... Sand and sandstone is commonly used in making glass, as building materials 256mm, Boulder, Boulder gravel, Boulder ...hree differences between highway and building sandstone sand making equipment: building construction sandstone aggregate production and road paving use the machine to smash the gravel to a vibrating screen sand and gravel Vibrating screen for Pictures for ...