laterite is a soil and rock type rich in iron and aluminium and is commonly considered to have formed in hot and wet tropical areas. nearly all laterites are of rusty-red coloration, because of high iron oxide content. they develop by intensive and prolonged weathering of the underlying parent rock.tropical weathering laterization is a prolonged process of chemical weathering which produces . definition and physical description formation locations usesdetrital zircon geochronology
detrital zircon geochronology is the science of analyzing the age of zircons deposited within a specific sedimentary unit by examining their inherent radioisotopes, most commonly the uranium–lead ratio.the chemical name of zircon is zirconium silicate and its corresponding chemical formula is zr sio 4.zircon is a common accessory or trace mineral constituent of most granite and felsic .
a rose is a woody perennial flowering plant of the genus rosa, in the family rosaceae, or the flower it bears.there are over three hundred species and thousands of cultivars.they form a group of plants that can be erect shrubs, climbing, or trailing, with stems that are often armed with sharp prickles. flowers vary in size and shape and are usually large and showy, in colours ranging from .
amethyst is a purple variety of quartz sio 2 and owes its violet color to irradiation, impurities of iron and in some cases other transition metals, and the presence of other trace elements, which result in complex crystal lattice substitutions. the hardness of the mineral is the same as quartz, thus making it suitable for use in jewelry.. hue and tone .
garnet sand is also used for water filtration media. as an abrasive, garnet can be broadly divided into two categories; blasting grade and water jet grade. the garnet, as it is mined and collected, is crushed to finer grains; all pieces which are larger than 60 mesh 250 micrometers are normally used for sand blasting. the pieces between 60 .