Types of Rocks

Key Questions

• How are sedimentary rocks formed and what are some examples?

  Answer:

  Sedimentary rocks are formed by erosion and chemical actions.
  Limestone from dissolved corals, Shale from cemented mud. Sandstone from cemented sand.

  Explanation:

  When small particles are formed by erosion or chemical actions the particles can form layers of sediments. If these layers of soft sediments are harder by chemical actions and pressure a sedimentary rocks occurs.

  David Drayer · 1 · Jun 2 2018
• How are igenous rocks formed and what are some examples?

  Answer:

  When Magma solidifies.

  Explanation:

  When rocks are melted they become magma, when the magma erupts and hardens (solidify) it becomes and igneous rock.

  lifeofanerd36 · 1 · Mar 13 2018

• How do igneous rocks form?
• What are some common characteristics of sedimentary rocks?
• How can sedimentary rocks become metamorphic rocks?
• What are some examples of igneous rocks?
• How can igneous rocks become metamorphic rocks?
• How can igneous rocks be identified?
• How do metamorphic rocks become foliated?
• How are igenous rocks formed and what are some examples?
• How are sedimentary rocks formed and what are some examples?
• What types of rocks contain fossils?
• What types of rocks can become sedimentary rocks?
• What types of rocks are formed by weathering?
• How are the three types of rocks(sedimentary, igneous and metamorphic) formed?
• How are different types of rock impacted by weathering?
• What types of rocks are made in volcanoes?
• What are the parts of the rock cycle? How does the rock cycle work?
• Question #79413
• What is a silicate tetrahedron?
• What is the most dense rock on earth?
• How can a refractometer be used to identify gemstones?
• Does every rock go through the complete rock cycle, from igneous rock to sedimentary rock to metamorphic rock and back to igneous rock, each time around?
• In the rock cycle, how can an igneous rock can become a sedimentary rock, then a metamorphic rock, and then an igneous rock again?
• How does the rock cycle affect humans?
• What type of rock best preserves fossils?
• What are detrital rocks?
• What are the similarities and differences between rocks and minerals?
• What type of rock is formed by volcanic activity?
• Question #aa4c7
• Question #6832d
• Question #3be78
• Question #23643
• What is the name of the main chemical substance in limestone?
• Is the rock cycle on Earth a closed system?
• What is a rock?
• Question #b61ab
• Question #51a46
• Question #e16be
• Are all rocks inorganic?
• What rocks are a mix of rounded pebbles and sand?
• What are the three types of rock?
• What are pumice rocks?