![subject](/tpl/images/cats/geografiya.png)
Geography, 30.03.2021 21:10 villarrealc1987
Galena - Coeur d'Alene Mining District/Silver Valley, ID. The Coeur d'Alene Mining District in Silver Valley, ID is known for its large lead deposits of the mineral galena (PbS). Galena is one of the few common minerals with a metallic luster that has a distinctive cleavage (cleavage is how a mineral breaks or parts along preexisting planes of weakness). Cleavage is described by the number of unique directions of cleavage planes and the angle between those planes. Which of the following best describes galena's cleavage (see animation in placemark)?
a. three directions at ~90
b. three directions not at ~90°
c. two directions at ~90°
d. two directions not at ~90°
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Geography
![image](/tpl/images/cats/geografiya.png)
Geography, 22.06.2019 09:00, 341404143
Drag the tiles to the correct boxes to complete the pairs. match the stages to their features. low birth rates, death rates are constant high birth rate, and death rate high birth rate and low death rate pre-modern mature industrial industrialization
Answers: 2
![image](/tpl/images/cats/geografiya.png)
![image](/tpl/images/cats/geografiya.png)
![image](/tpl/images/cats/geografiya.png)
Geography, 24.06.2019 09:30, karenjjensen
Why did the first fleet take the shorter route along the entire west coast of africa?
Answers: 1
You know the right answer?
Galena - Coeur d'Alene Mining District/Silver Valley, ID. The Coeur d'Alene Mining District in Silve...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 16.10.2020 16:01
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 16.10.2020 16:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 16.10.2020 16:01
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 16.10.2020 16:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 16.10.2020 16:01