Rocks and rock cycle Flashcards
Igneous is derived from which latin terms which means fire?
Ignis
What sediment has a size of less than 0.004 mm
Clay
Which type of rock is also referred to as primary rock, since they are made from the earth’s core ingredient?
igneous rocks
What forces causes rocks to erode?
Exogenous forces
Which of the following refers to sedimentary rocks which contain organic remains?
Bioclastic
Metamorphic rocks are categorized based on their structure which formed due to alternating thin and thick layers. This is referred to as ___________.
Foliation
Which of the following refers to sedimentary rocks are precipitates from a solution?
Crystalline
When an igneous rock is referred to as “Felsic”, it is abundant of which of the following?
Feldspar and Silica
What type of rock is formed under intense heat and pressure due to tectonic shearing?
Metamorphic rocks
What type of Igneous rock is formed under the Earth’s surface which can be obtained by crustal mining?
Plutonic rocks
When an igneous rock is referred to as “Mafic”, it is abundant of which of the following?
Magnesium and Iron
The natural mechanical process a sedimentary rock undergo is called _______.
Lithification
The mineral composition of igneous rock are categorized based on their sizes. Which term refers when 2 crystal sizes are present?
Porphyritic
What is the other term for volcanic igneous rocks?
Extrusive rocks
What metamorphism occurs when rocks were subjected to tectonic pressure and heat from the surrounding magma?
Regional metamorphism
Tectonic metamorphism
