Clastic rock - Wikipedia
网页A clast is a fragment of geological detritus, [1] chunks, and smaller grains of rock broken off other rocks by physical weathering. [2] Geologists use the term clastic to refer to sedimentary rocks and particles in sediment transport, whether in suspension or as bed load, and in sediment deposits.
Sedimentology - Wikipedia
网页Clastic rocks are composed of particles derived from the weathering and erosion of precursor rocks and consist primarily of fragmental material. Clastic rocks are classified according to their predominant grain size and their composition.
6.1: Clastic Sedimentary Rocks - Geosciences LibreTexts
网页2024年4月24日 · 6.1: Clastic Sedimentary Rocks. A clast is a fragment of rock or mineral, ranging in size from less than a micron [1] (too small to see) to as big as an apartment block. Various types of clasts are shown in Figure \ (\PageIndex {1}\) and in Exercise 5.3.
Clastic Definition & Meaning - Merriam-Webster
网页The meaning of CLASTIC is made up of fragments of preexisting rocks. How to use clastic in a sentence.
Sedimentary Rocks - Science Notes and Projects
网页2024年2月14日 · The clasts in clastic rocks get classified according to grain size, shape, and composition. From largest to smallest, clasts are boulder (>256 mm), cobble (64 – 256 mm), pebble (2 – 64 mm), sand (1/16 – 2mm), silt (1/256 – 1/16 mm), and clay (<1/256 mm).
CLASTIC | English meaning - Cambridge Dictionary
网页CLASTIC definition: 1. used to refer to a type of rock consisting of broken pieces of other rock 2. used to refer to a…. Learn more.
8.1: Clastic Sedimentary Rocks - Geosciences LibreTexts
网页Clastic sedimentary rocks are named according to the characteristics of clasts (rock and mineral fragments) that comprise them. These characteristics include grain size, shape, and sorting. The different types of clastic sedimentary rocks are summarized in Figure 9.5.
7.5.1: Clastic Sedimentary Rocks - Geosciences LibreTexts
网页2022年12月16日 · Clastic sedimentary rocks are formed by compaction and cementation of clasts composed of individual mineral grains or pieces of rock. Because their mineralogy varies so much, we generally classify clastic rocks based on …
Sedimentary rock - Clastic, Chemical, Organic | Britannica
网页Sedimentary rock - Clastic, Chemical, Organic: Conglomerates and breccias are sedimentary rocks composed of coarse fragments of preexisting rocks held together either by cement or by a finer-grained clastic matrix. Both contain significant amounts (at least 10 percent) of coarser-than-sand-size clasts.
CLASTIC | definition in the Cambridge English Dictionary
网页CLASTIC meaning: 1. used to refer to a type of rock consisting of broken pieces of other rock 2. used to refer to a…. Learn more.