Rock Composition Diversity Statistics

Rock compositions exhibit a high degree of diversity, with a wide range of mineral and elemental compositions present in various geological formations.

In this post, we explore the remarkable diversity in rock composition found on Earth and beyond. Rocks on our planet are composed of a wide range of minerals, with only a select few dominating the crust. From the abundance of SiO2 to the prevalence of basalt and granite, each statistic sheds light on the intricate makeup of Earth’s rocky surface. Additionally, we delve into the composition of lunar and Martian rocks, showcasing the unique elements that shape their distinct geological features. Join us as we uncover the fascinating world of rock composition diversity.

Statistic 1

"Rocks on Earth are composed of more than 2,000 minerals, even though only about 20 minerals compose the bulk of Earth's crust."

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Statistic 2

"SiO2, one of the most abundant components in many rocks, comprises about 59.71% of Earth's crust."

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Statistic 3

"Approximately 12% of Earth's crust is made up of Al2O3, a common element in various rocks."

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Statistic 4

"Basalt and granite, two of the most abundant rocks, make up approximately 95% of the Earth's crust."

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Statistic 5

"Rocks on the ocean floor are 100% basalt, which is part of mafic rock composition."

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Statistic 6

"In the case of igneous rocks, the SiO2 content varies between 45% to 75%."

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Statistic 7

"Approximately 75% of the rocks on the continental crust are sedimentary."

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Statistic 8

"About 90% of the volcanic rocks on Earth's surface are basaltic."

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Statistic 9

"The Earth's moon also has a diverse rock composition with most moon rocks being basalt (40.5%) and anorthosite (45.5%)."

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Statistic 10

"The composition of Mars' rocks has been found to contain a high amount of iron, about 13 to 14 percent by weight."

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Statistic 11

"Limestone, one of the most diverse sedimentary rocks, makes up about 10% of the sedimentary rocks on Earth."

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Statistic 12

"Approximately 8% of Earth’s crust is made up of limestone, hence showing diversity in rock composition."

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Statistic 13

"Iron makes up about 5% of the Earth's crust and is a common element in many rocks."

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Statistic 14

"Basalt comprises about 90% of all volcanic rocks on Earth, indicating its dominance in volcanic rock composition."

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Statistic 15

"About 27.7% of the Earth's crust by volume is composed of igneous rock."

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Statistic 16

"Approximately 73% of the continental crust by volume is composed of sedimentary rock."

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Statistic 17

"Roughly 82% of the volume of the Earth's entire crust is composed of silicate minerals, commonly found in various rock types."

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Statistic 18

"Earth's crust rocks contain 8.1% Aluminum (Al), signifying its abundance in various rock compositions."

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The diversity of rock composition on Earth is evident from the various statistics highlighted. From the dominant presence of SiO2 and Al2O3 in Earth’s crust to the prevalence of basalt and granite accounting for a significant portion of the crust, the composition of rocks varies widely. The ocean floor is mostly basaltic, while continental crust rocks are primarily sedimentary. The moon and Mars exhibit unique rock compositions, with basalt and anorthosite being common on the moon, and iron-rich rocks on Mars. These statistics underscore the complexity and variety of rock compositions found on our planet and beyond.

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