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Which features are extrusive igneous rocks least likely to have?
A)fossils B)small grains C)vesicular texture D) porphyrtic texture Its one of these answers i chose D. because its more likely to have it. Idk if its the right answer.
What kind of rock is calcite igneous metamorphic or sedimentary?
ANSWERCalcite is really not a rock it is a mineral therefore it can not really be metamorphic , sedimentary , or igneous. But it is usually associated in materials of sediment so most likely it is sedimentary. If you would have to pick one. SEDIMENTARY
What type of mineral has various colors almost clear appeared to have hexagonal crystals and is hard enough to scratch a steel file?
The mineral you are describing is likely quartz, particularly in its clear or colorless form, known as rock crystal. Quartz exhibits a hexagonal crystal structure and is relatively hard, scoring a 7 on the Mohs scale, which allows it to scratch a steel file. Its various colors can arise from impurities or inclusions, leading to varieties such as amethyst or citrine.
When Magma is launched from a volcano forms what type of rock?
A volcano is made of extrusive igneous rock. The specific type of igneous rock will vary from one volcano to another.
Which would mostly likely occur during the formation of igneous rock?
The basic processes involves in igneous rock formation are; 1. Melting (Magma, formation of molten substance). 2. Volcanicity (Eruption, movement of magma). 3. Cooling (Change in temperature). 4. Crystallization (Mineralization, formation of crystals and minerals). 5. Solidification (Consolidation into a solid mass to form igneous rock).
Formed from slow cooling magma speckled with large minerals grains?
This describes an igneous rock with a coarse-grained texture, likely formed deep within the Earth's crust where cooling is slower, allowing time for large mineral grains to form. This type of rock is typically intrusive, such as granite or diorite, and is characterized by its visibly distinct mineral grains.
What can you tell about an igneous rock that has a coarse texture?
It is most likely formed underground.
The cubic shape of a mineral crystal is most likely the result of that crystal?
internal arrangement of atoms
An igneous rock with very small minerals crystal most likely formed from?
An igneous rock with very small mineral crystals most likely formed from a rapid cooling process. This rapid cooling prevents the minerals from growing larger, resulting in the fine-grained texture characteristic of rocks like basalt or rhyolite.
What is a rock with long flat mineral grains?
A rock with long flat mineral grains is likely to be schist. Schist is a metamorphic rock characterized by its foliated texture, with mineral grains aligned in a parallel fashion, giving it a distinct layered appearance.
You find an igneous rock with no visible mineral crystals were did this rock most likely form?
in a cave
What does the internal atomic structure of a mineral most likely determine?
The internal atomic structure of a mineral most likely determines its physical and chemical properties, such as hardness, color, cleavage, and crystal shape. It also influences how the mineral interacts with its environment and how it behaves in different conditions.
Would quartz or plagioclase be more likely to form well-shaped crystal in an igneous rock?
Plagioclase.
Which property is least likely to be affected by weathering of the mineral?
The property least likely to be affected by weathering of a mineral is its crystal structure. While weathering can alter other characteristics such as color, hardness, and luster due to physical or chemical changes, the fundamental arrangement of atoms in the crystal lattice remains largely intact unless the mineral is completely broken down. This stability in crystal structure allows the mineral to retain its identity despite surface alterations.
How would you describe the texture of an igneous rock that formed extremely slowly underground?
An igneous rock that formed extremely slowly underground would likely have a fine-grained texture with small mineral crystals. This slow cooling process allows for the minerals to grow larger and more interlocking, resulting in a strong and dense rock with no visible grains or pores.
This igneous rock is coarse-grained. The dark-colored mineral composing this rock is probably?
The dark-colored mineral in coarse-grained igneous rocks is likely to be biotite or hornblende. These minerals are commonly found in rocks like diorite, gabbro, and basalt.
If you found a rock with flat mineral grains which rock would it be?
It is likely a type of metamorphic rock, such as schist or gneiss, which form under high temperature and pressure conditions leading to the alignment of mineral grains into flat layers.
