The most common minerals in detrital sedimentary rocks are
quartz grains and clay.
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We know silicate minerals are the most abundant in detrital
sedimentary rocks.Quartzv is a tectosilicate mineral.So quartz is
the most abundant and other silicate minerals are also very common
in these rocks.
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Quartz and Clay.
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Quartz
Feldspar
Mica
Heavy minerals e.g Garnet/Zircons
Bioclasts
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Clay is a fine-grained detrital rock that breaks into chucks or
blocks. It is the most abundant product of chemical weathering of
silicate minerals.