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What are the three most common elements in Earths continental crust and oceanic crust?
The three most common elements in Earth's continental crust are oxygen, silicon, and aluminum. In the oceanic crust, the predominant elements are oxygen, silicon, and magnesium. While oxygen and silicon are abundant in both types of crust, aluminum is more prevalent in the continental crust, whereas magnesium is more common in the oceanic crust.
Why do rocks that compose the ocean floor younger than most continental rockshttpwwwanswerscomQWhy do rocks that compose the ocean floor younger than most continental rocks?
Rocks that compose the ocean floor are younger than most continental rocks primarily due to the process of plate tectonics and sea-floor spreading. New oceanic crust is continuously formed at mid-ocean ridges through volcanic activity as tectonic plates pull apart, while older oceanic crust is eventually subducted back into the mantle at convergent boundaries. In contrast, continental rocks are generally older because they have been subjected to less recycling and can accumulate over billions of years. This ongoing cycle results in younger oceanic rocks compared to the ancient continental crust.
What layer of the crust is the most dense?
Oceanic crust is more dense than continental crust.
Most of the actinides occur naturally in the earths crust?
no they do not
Only 10 elements compose the bulk of the rock-forming minerals in the continental crust Is this true or false?
False. The bulk of the rock-forming minerals in the continental crust are composed of a variety of elements, not just 10. The most common elements found in these minerals include oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium.
What are the two most common elements that compose earths continental crust?
Granite and basalt...... + a bunch of bugs n' stuff
What are the eight most common elements in the earths continental crust?
The eight most common elements in the earths continental crust are; 1. Oxygen. 2. Silicon. 3. Aluminium. 4. Iron. 5. Calsium. 6. Sodium. 7. Potassium. 8. Magnesium.
What are the three most common elements in Earths continental crust and oceanic crust?
The three most common elements in Earth's continental crust are oxygen, silicon, and aluminum. In the oceanic crust, the predominant elements are oxygen, silicon, and magnesium. While oxygen and silicon are abundant in both types of crust, aluminum is more prevalent in the continental crust, whereas magnesium is more common in the oceanic crust.
What are the most common minerals located in earths crust?
The most common minerals found in Earth's crust are quartz, feldspar, and mica. These minerals make up a significant portion of the Earth's continental crust and are essential components of many rock types.
Which is NOT one of the eight most common elements in Earths continental crust?
Helium is NOT one of the eight most common elements in Earth's continental crust. The eight most common elements are oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium. Helium is a noble gas and is not as abundant in the Earth's crust.
Which is not one of the 8 most common elements in earths continental crust?
Helium is not one of the 8 most common elements in Earth's continental crust. The 8 most common elements are oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium. Helium is a noble gas and is not as abundant in Earth's crust compared to these elements.
Why do rocks that compose the ocean floor younger than most continental rockshttpwwwanswerscomQWhy do rocks that compose the ocean floor younger than most continental rocks?
Rocks that compose the ocean floor are younger than most continental rocks primarily due to the process of plate tectonics and sea-floor spreading. New oceanic crust is continuously formed at mid-ocean ridges through volcanic activity as tectonic plates pull apart, while older oceanic crust is eventually subducted back into the mantle at convergent boundaries. In contrast, continental rocks are generally older because they have been subjected to less recycling and can accumulate over billions of years. This ongoing cycle results in younger oceanic rocks compared to the ancient continental crust.
Oceanic crust is than continental crust.?
younger
Which of the earths layers has the most air?
The Crust has the most oxygen in it
What is the top most layer of the earth's surface?
The topmost layer of the Earth's surface is called the crust. It is the outermost solid shell of the Earth and is composed of various types of rocks, minerals, and soil. The crust is divided into two types: continental crust, which makes up the continents, and oceanic crust, which forms the ocean floors. The thickness of the crust varies, with continental crust being thicker than oceanic crust.
What layer of the crust is the most dense?
Oceanic crust is more dense than continental crust.
What makes up most of earths crust?
rock
