shields912222
shields912222 shields912222
  • 12-04-2019
  • Physics
contestada

Which rock is made mostly of dark, fine-grained silicate minerals, chiefly plagioclase feldspar and pyroxene, and magnetite?

Respuesta :

morghan82graham
morghan82graham morghan82graham
  • 12-04-2019

A dark-colored (igneous rock,) commonly extrusive from volcanic eruptions and composed primarily of the minerals of calcic plagioclase and pyroxene, and sometimes olivine. Basalt is the fine-grained equivalent of gabbro.

Answer Link

Otras preguntas

What percent of students ran the mile in 12 minutes or less?
What similarity statement can you write relating the three triangles in the diagram ?
which character is described in these lines? "the man-rular famous, the long worthy atheling, sighed for his liegemen
In at least one hundred words, how does the analogy help the reader to understand the meaning of the word arable in this excerpt?
Which of these describes how African traditions were incorporated into the many new churches that freedmen organized after the Civil War? A.The services were
how does jordan barker feel about nick
Charging and rapidly discharging a battery generates heat and: Select one: a. sulfur. b. hydrogen. c. nitrogen. d. potassium.
True or false? all the hormones from the anterior pituitary are regulated by some hormone from the hypothalamus. (though not the same hypothalamic hormone for a
Three-fourths of an inch on a map equals 750 miles. what would one inch equal?
What's the best definition of a topic sentence? A. The first sentence of the paragraph B. The conclusion of the sentence C. The sentence within a pi