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Which igneous rock when weathered could produce sediment composed of the minerals pottasium fieldspar quarts and amphibole?
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What kind of igneous rocks that are composed of an amphibole and intermediate plagioclase?
Granite and diorite contain both.
What are rock composed of weathered rocks called?
sediment
What is feldspar sand?
It is sand composed primarily of weathered particles of feldspar, as opposed to sand composed of quartz or gypsum.
Why is the sand formed in shallow tropical seas composed mainly of calcium carbonate grains such as aragonite and calcite?
The carbonate sands would indicate that they are the weathered and eroded remains of the skeletons of small marine animals (like corals) whose exoskeleton is composed of these minerals.
Are beaches made of sand from erosion rocks True or False?
Most beach sand is either composed mostly of eroded rock or of mechanically weathered marine organism skeletons, or a combination of both.
What kind of igneous rocks that are composed of an amphibole and intermediate plagioclase?
Granite and diorite contain both.
What are rock composed of weathered rocks called?
sediment
What is feldspar sand?
It is sand composed primarily of weathered particles of feldspar, as opposed to sand composed of quartz or gypsum.
What is contained in soil?
Soil is composed of weathered rock and dead/decaying organic material called humus.
Granite is what type of mixture?
Granite is composed of quartz. feldspar, mica and amphibole minerals. There are often other materials in the composition, but these are the main parts of granite.
Which intrusive igneous rock could be composed of 60 percent pyroxene 25 percent plagioclase feldspar 10 percent olivine and 5 percent amphibole?
gabbro
Which of the following is composed of weathered rocks and decomposed organic material from dead plants and animals?
The answer is Soil!
What are the four kinds of igneous rock?
Igneous rocks are usually classified first by their color index. The color index is separated into four categories. Felsic rocks are the lightest and are composed of mostly quartz and potassium feldspar. Intermediate rocks are the second lightest and are made up of mostly plagioclase feldspar, pyroxene, amphibole, and biotite. Mafic rocks are made up of plagioclase feldspar, pyroxene, and amphibole. Ultramafic is made up of mostly olivine, with pyroxene and amphibole.
What kind of rock is the Snoopy rock?
The Snoopy Rock of Sedona, Arizona, is composed of striking red sandstone, weathered into a rough shape of a reclining Snoopy.
What type of rocks are formed from other rocks?
Clastic sedimentary rocks are composed of particles of weathered and eroded or fragmented in situ rocks of varying mineralogy.
Why is the sand formed in shallow tropical seas composed mainly of calcium carbonate grains such as aragonite and calcite?
The carbonate sands would indicate that they are the weathered and eroded remains of the skeletons of small marine animals (like corals) whose exoskeleton is composed of these minerals.
Double chain silicate mineral?
Amphibole, an important group of generally dark-colored rock-forming inosilicate minerals, composed of double chain SiO4 tetrahedra, linked at the vertices and generally containing ions of iron and/or magnesium in their structures. (e.g. asbestos)
