It occurs as detrital grains in sedimentary rocks. It also occurs as detrital grains in sedimentary rocks. Alluvial deposits are unconsolidated detrital materials transformed from higher landforms. Granites and detrital zircons have notably similar and episodic appearances in the rock record. Bacteria that live in detrital sediments create and cycle nutrients and biominerals. Different methods in detrital zircon analysis yield different results. It also is found in metamorphic amphibolites and as a detrital component of some sediments. There are two main types of detrital zircon analysis&colon; qualitative analysis and quantitative analysis. This give rise to a natural complexity of associating detrital zircon populations and their sources. Omnivores ingest a wide variety of prey, encompassing floral, faunal, and detrital material. Evidence consists of detrital zircon found in rock (6-million-year-old trachyte). Before applying detrital zircon ages, they should be evaluated and screened accordingly. It occurs in granite pegmatites and detrital black sands. Depending on the detrital zircon study, there should be different variables included for analysis. Intercalated near the base of the detrital succession are carbonates.