Rocks are typically categorized into three main types based on their formation process: 1. **Igneous Rocks:** Formed from the cooling and solidification of magma or lava. Igneous rocks can be further classified into two subtypes: - **Intrusive Igneous Rocks:** Formed underground as magma cools slowly, allowing large crystals to form. Examples include granite and diorite. - **Extrusive Igneous Rocks:** Formed on the Earth's surface as lava cools rapidly, resulting in smaller crystals or even glassy textures. Examples include basalt and obsidian. 2. **Sedimentary Rocks:** Formed from the accumulation and compression of sediments, often in layers, over long periods of time. Sedimentary rocks are categorized into three main groups: - **Clastic Sedimentary Rocks:** Formed from the accumulation of rock and mineral fragments, such as sandstone and shale. - **Chemical Sedimentary Rocks:** Formed from the precipitation of minerals from water solutions, such as limestone and rock salt. - **Organic Sedimentary Rocks:** Formed from the accumulation and compression of organic materials, such as coal and some types of limestone. 3. **Metamorphic Rocks:** Formed from the alteration of existing rocks (igneous, sedimentary, or other metamorphic rocks) through heat, pressure, or chemical processes without melting. Metamorphic rocks can be further classified into two subtypes: - **Foliated Metamorphic Rocks:** Exhibit a layered or banded appearance due to the alignment of mineral grains, such as slate and schist. - **Non-foliated Metamorphic Rocks:** Lack a layered or banded appearance and have mineral grains that are not aligned, such as marble and quartzite. These categories provide a broad overview, and there are numerous specific rock types within each category, each with its own distinct characteristics and formation processes.

1. Igneous,
Sedimentary &
Metamorphic
Rocks Class
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3. Rocks class
01
You can describe the topic
of the section here
Sedimentary
02
You can describe the topic
of the section here
Igneous
03
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of the section here
Metamorphic
04
You can describe the topic
of the section here
Exercises
05
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of the section here
Table of contents

4. Rocks!
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5. Rocks class
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01

6. Do you need longer texts?
Mercury is the closest planet to the Sun and
the smallest one in the entire Solar System.
This planet's name has nothing to do with the
liquid metal, since Mercury was named after
the Roman messenger god. Despite being
closer to the Sun than Venus, its
temperatures aren't as terribly hot as that
planet's. Its surface is quite similar to that of
Earth's Moon, which means there are a lot of
craters and plains
Speaking of craters, many of them were
named after artists or authors who made
significant contributions to their respective
fields. Mercury takes a little more than 58 days
to complete its rotation, so try to imagine how
long days must be there! Since the
temperatures are so extreme, albeit not as
extreme as in Venus, and the solar radiation is
so high, Mercury has been deemed to be non-
habitable for humans

7. Introduction
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8. About rocks study
Mercury is the closest planet to the Sun and
the smallest one in the Solar System—it’s
only a bit larger than the Moon
Venus has a beautiful name and is the second
planet from the Sun. It’s hot and has a
poisonous atmosphere
Petrology Geology

9. Sedimentary
You can enter a subtitle here if you need it
02

10. Sedimentary construction
Compaction
Mercury is the closest planet to the
Sun and the smallest one of them all
Cementation
Venus has a beautiful name and is the
second planet from the Sun
Recrystallization
Despite being red, Mars is actually a
cold place. It’s full of iron oxide dust

11. Shale
Venus is the second planet
from the Sun
Conglomerate
Jupiter is the biggest planet
in the Solar System
Sedimentary rocks
Limestone
Despite being red, Mars is
actually a very cold place
Sandstone
Saturn is a gas giant and
has several rings

12. Igneous rocks
Rhyolite
Mercury is the closest
planet to the Sun
Granite
Venus is the second
planet from the Sun
Gabbro
Jupiter is the biggest
planet of them all
Pumice
Saturn is a gas giant
and has rings
Basalt
Mars is actually a very
cold place
Obsidian
Neptune is very far
away from us

13. Boulder
Mercury is the
closest planet to
the Sun
Granule
Jupiter is the
biggest planet of
them all
Cobble
Venus is the
second planet
from the Sun
Sand
Saturn was
named after a
Roman god
Sediment size chart
Pebble
Despite being
red, Mars is a
very cold planet

14. Non-clastic rocks
Limestone
Mercury is the closest planet
to the Sun and the smallest in
the Solar System
Chert
Venus has a beautiful name
and is the second planet from
the Sun
Halite
Despite being red, Mars is
actually a cold place. It’s full
of iron oxide dust

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Solar System

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20. 9h 55m 23s
Jupiter's rotation period
333,000
The Sun’s mass compared to Earth’s
386,000 km
Distance between Earth and the Moon

21. 30%
Venus is the
second planet
from the Sun
45%
Jupiter is the
biggest planet of
them all
80%
Despite being
red, Mars is a
cold place
Venus Jupiter Mars
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Earth is the only
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harbors life
Earth

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Jenna
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26. The rock cycle timeline
Igneous
rocks
Venus is the second planet
from the Sun
Metamorphic
rocks
Jupiter is the biggest
planet of them all
Sedimentary
rocks
Despite being red, Mars is
actually a very cold place

27. Igneous rocks diagram
Rhyolite
Mercury is the
smallest planet
Granite
Venus has a
beautiful name
Basalt
Jupiter is the
biggest planet
Gabbro
Saturn is big and
has several rings
Acidic Basic
Igneous rocks

28. Comparison table
Igneous Sedimentary Metamorphic
You can write something about
rhyolite rocks here
You can write something about
conglomerate rocks here
You can write something about
slate rocks here
You can write something about
granite rocks here
You can write something about
breccia rocks here
You can write something about
gneiss rocks here
You can write something about
basalt rocks here
You can write something about
sandstone rocks here
You can write something about
schist rocks here
You can write something about
gabbro rocks here
You can write something about
shale rocks here
You can write something about
foliated rocks here
Kinds of rock

29. Earth's surface
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Shale
Mercury is the smallest
planet in the Solar System
Sedimentary
rocks
Despite being red, Mars is a
very cold place
75%
Sandstone
Saturn is a gas giant with
several rings
Limestone
Venus is the second planet
from the Sun

30. Igneous rocks infographic
Venus
Venus is the
second planet
from the Sun
Saturn
Saturn is a gas
giant with
several rings
Mercury
It’s the smallest
planet in the
Solar System
Mars
Despite being
red, Mars is a
cold place

31. Exercises
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05

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33. Columnar basalt locations
Name where we can find the most famous columnar basalts located in the map
Name
Name
Name

34. Choose the right answer
Basalts
They are dark colored
and fine-grained
extrusive rocks
Pumice
Light colored and
frothy volcanic rock. It
floats on water
Rhyolite
Rocks closely related
to granite but with
much finer crystals
Gabbro
Rock composed
mostly of the mineral
plagioclase feldspar
Match each definition with its own description

35. Order the rocks by class
Clastic rocks Non-clastic rocks
Conglomerate
Breccia
Red sandstone Shale Gray sandstone
Chert
Halite
Limestone
Classify each of the following rocks in the right column

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