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Metamorphic Rocks

96 resources created by 72 users

This Metamorphic Rocks page on GoConqr gathers community-made quizzes, mind maps, flashcards and notes, from slaty cleavage and parent rocks to contact and regional metamorphism. It's built for university students and school students practising rock identification, textures and metamorphic zones, and for teachers after ready-made material. There are over 80 resources here, including more than 20 mind maps, more than 30 flashcards and 9 quizzes, written by over 60 contributors. Try a quiz to find your gaps, then revisit the notes.

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About Metamorphic Rocks

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What this unit covers

The notes explain how rocks change under heat and pressure. Temperature, Pressure and Metamorphism opens with the idea that metamorphism is isochemical: the parent rock and the metamorphic rock share the same chemical composition. From there the notes split into two routes, contact and regional metamorphism.

Suggested order

  1. Start with Temperature, Pressure and Metamorphism for the basic idea.
  2. Read Contact Metamorphism, where heat from a large igneous intrusion alters the country rock, then Contact Metamorphism 2 on the thermal gradient and index minerals in an aureole.
  3. Move on to Regional Metamorphism and Regional Metamorphic Zones, which looks at George Barrow's mapping of the Dalradian Supergroup in the Scottish Highlands.
  4. Finish with the notes on textures and identification.

Textures and identification

The notes on metamorphic textures describe slaty cleavage, where fine-grained rocks from low-grade regional metamorphism split into thin sheets. Slaty Cleavage explains the origin: clay minerals in rocks such as mudstone recrystallise when heated and compressed. Identifying Regional Metamorphic Rocks covers foliated rocks, where platy minerals take on a preferred orientation. Identifying Metamorphic Rocks covers unfoliated rocks such as quartzite, whose parent rock is orthoquartzite.

Using maps, flashcards and quizzes together

The mind maps give quick overviews. Look at Index Minerals, Metamorphic Processes, Marble and Quartzite after the notes. Then use the Parent Rocks of Metamorphic Rocks flashcards to link each rock to its parent. Several decks cover names based on texture, mineralogy and bulk composition. Quizzes such as Metamorphic Rock Classification and Metamorphism show what has stuck. Return to the maps for anything you missed.

Where it fits

This unit sits in the Earth Materials strand of Geology and earth sciences. It is a natural companion to work on other rock types in that strand.

Open a note, try a quiz, and see which topic needs another look.

Frequently asked questions

Which resource should I open first?

Begin with the notes called Temperature, Pressure and Metamorphism. They set out what metamorphism is and how heat and pressure change a parent rock. After that, move to the contact and regional metamorphism notes, then check what you remember with a quiz.

What do the mind maps cover?

The mind maps include Metamorphic Processes, Index Minerals, crustal thickening, Metamorphic Reactions, Meta-igneous rocks, Marble and Quartzite. They are useful for seeing how ideas connect, and for a quick review once you have read the longer notes.

Are there flashcards for learning rock names?

Yes. There are decks on parent rocks, general rock names based on bulk composition, names based on mineralogy and names based on texture. Other decks cover metamorphic terms and textural terms, so you can practise vocabulary and identification separately.

Are the resources free to use?

Yes. Every resource on this page is free to open, study and take, with no account needed. They were made by GoConqr users, not by GoConqr. A free account also saves your quiz scores and lets you make your own quizzes, mind maps, flashcards and notes.

Who are these resources for?

They suit university students and school students learning how metamorphic rocks form, are classified and are identified. Teachers can also use the notes, quizzes and flashcards as ready-made material for lessons or revision.

What if I can't find a topic I need?

Try the related resources on this page, since many cover overlapping ideas under different titles, such as Metamorphism and Metamorphic Rocks. If a gap remains, you can write your own notes, map or flashcards.

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