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Sedimentary Rock Classification-How Do You tell One ...

Sedimentary rock is classified into two groups based on how they form. They are clastic and chemical sedimentary rocks.

Conglomerate (geology) - Wikipedia

Conglomerate (/ k ə n ˈ ɡ l ɒ m ər ɪ t /) is a coarse-grained clastic sedimentary rock that is composed of a substantial fraction of rounded to subangular gravel-size clasts, e.g., granules, pebbles, cobbles, and boulders, larger than 2 mm (0.079 in) in diameter.

10(f) Characteristics of Sedimentary Rocks

Figure 10f-3: Dipping sedimentary layers of rock, Rocky Mountains, Canada.. The classification of clastic sedimentary rocks is based on the particle types found in the rock.

Which | Define Which at Dictionary.com

Which definition, what one?: Which of these do you want? Which do you want? See more.

Hong Kong UNESCO Global Geopark

Rock Classification. The famous Lianhuashan fault zone in Southern China has a decisive influence on Hong Kong's geological structure. This generally northeast-southwest trending zone is made up of more than 100 major faults.

Sedimentary rock | Britannica.com

Sedimentary rock: Sedimentary rock, rock formed at or near the Earth's surface by the accumulation and lithification of sediment (detrital rock) or by the precipitation from solution at normal surface temperatures (chemical rock).

Sedimentary rock - Classification of sandstones | Britannica.com

Sedimentary rock - Classification of sandstones: There are many different systems of classifying sandstones, but the most commonly used schemes incorporate both texture (the presence and amount of either interstitial matrix—i.e., clasts with diameters finer than 0.03 millimetre—or chemical cement) and mineralogy (the relative amount of ...

List of rock types - Wikipedia

The following is a list of rock types recognized by petrologists.There is no agreed number of specific types of rocks. Any unique combination of chemical composition, mineralogy, grain size, texture, or other distinguishing characteristics can describe rock types.

Science Teaching Materials, Activities, Worksheets, and ...

Earth Science Teaching Resources. Kinds of Rock Crossword: Students can review sedimentary, igneous, and metamorphic rocks with this crossword on rock classification.

Glossary of Terms: S - Physical Geography

Sexual Reproduction Any process of reproduction that does involve the fusion of gametes. Shale Fine grained sedimentary rock composed of lithified clay particles.

BGS Rock Classification Scheme - British Geological Survey ...

The BGS Rock Classification Scheme (RCS) is a corporate standard setting out a practical, logical and robust system for classifying and naming geological materials as they appear at the scale of a single exposure, hand specimen, or thin section.

A Guide to Oil Shale, Coal, and Other Sedimentary Rocks ...

By John Bestoloffe When rocks are formed from dead organisms and/or rocks that currently exist, they are called sedimentary rocks. They can be divided into three types: clastic, organic, and chemical.

The Rock Identification Key - by Don Peck

What is the Rock Cycle? Rocks, like mountains, do not last forever. The weather, running water, and ice wear them down. All kinds of rocks become sediment.

The Rock Gallery has Igneous Metamorphic Sedimentary Rock ...

The Rock Gallery contains pictures and descriptions of common igneous metamorphic sedimentary rock. The igneous rocks are listed at the top of the page followed by metamorphic and sedimentary rocks.

ENERGY / MINERALS - Earth science

Minerals and energy - an overview of rocks, minerals, rock types, identification, mineralogy, mineral deposits, types, energy, alternate energy.