Term
| Rocks are divided into three categories based on? |
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Definition
| the broad enviromental conditions in which the consituents of the rock are formed |
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Term
| Among the sedimentary rocks, which one is the most abundant at the global scale? |
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Definition
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Term
| The two most common minerals in shale are: |
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Definition
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Term
| Which of the following rocks is most commonly made up of minerals that are primarily organic in origin? |
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Definition
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Term
| What is the name of the parent rock from which marble has formed? |
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Definition
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Term
| The two most abundant minerals in a granite are: |
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Definition
| potassium feldspar and quartz |
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Term
| Two most abundant minerals in an andesite are: |
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Definition
| Soda-Calcium feldspar and hornblende |
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Term
| Two most abundant minerals in basalt are: |
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Definition
| Calcium-rich feldspar and pyroxene |
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Term
| Magmas are typically characterized by their: |
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Definition
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Term
| Which one of the following rocks is an intrusive igneous rock or deep seated in origin: |
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Definition
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Term
| Which one of the following rocks has the highest silica content? |
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Definition
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Term
| Which one has the lowest silica content? |
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Definition
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Term
| The most abundant gas in magmas is: |
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Definition
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Term
| Probably the second most abundant gas in magmas is: |
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Definition
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Term
| An important role of gases is to: |
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Definition
| decrease the melting temperature of a rock and promote the rate of growth of crystals |
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Term
| The occurance of rhyolite is less abundant than that of granite because: |
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Definition
| Magmas from which rocks form are rich in silica content, making the magmas most often incapable of reaching the surface where they can crystallize |
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Term
| The following rock is most abundantly found on the ocean floor: |
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Definition
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Term
| The following texture in a rock implies formation on the floor of a deep ocean: |
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Definition
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Term
| The most abundant lava flows among convergent plate boundaries is: |
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Definition
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Term
| The excessive pressure needed for the Krakatoa explosition of 1883 was most likely related to: |
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Definition
| superheated stream generated by intrusion of ocean water in the proximity of the magma chamber |
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Term
| The vesuvius eruption of 72 AD that destroyed the city of pompeii was caused by volcanic activities related to: |
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Definition
| Convergent plate boundries |
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Term
| Fissure eruption is rare in the recent history of Earth. The youngest record of such an eruption is in iceland and it occurred about little more than 200yrs ago. The rock typically associated with such an eruption is: |
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Definition
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Term
| The most adundant lava flows along divergent plate boundries is: |
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Definition
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Term
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Definition
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Term
| Minerals are generally classified into groups based on their: |
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Definition
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Term
| Which one of the following mineral could be a source of carbon dioxide to the atmosphere: |
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Definition
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Term
| The following is an oxide mineral: |
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Definition
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Term
| The most common iron-rich mineral in soils is: |
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Definition
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Term
| The following is the most common silicate mineral in soils: |
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Definition
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Term
| Phosphorus is an essential element to all living materials. The following mineral is a source of phosphorus: |
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Definition
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Term
| Which one of the following minerals does not occur in lunar rocks: |
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Definition
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Term
| The different physical properties of a mineral are a reflection of: |
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Definition
| internal arrangement of the chemical consituents |
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Term
| A solid is not considered to be a mineral unless: |
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Definition
| Its chemical consituents are arranged in a definte order |
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Term
| The following mineral makes bones and teeth of animals: |
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Definition
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Term
| The mineral potassium in its chemical composition: |
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Definition
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Term
| Many continue to maintain that radioactive wastes could be safely stored in salt beds. These geological salt beds, found as evaporite deposits, consist of: |
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Definition
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Term
| The most abundant mineral in he CRUST is: |
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Definition
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Term
| The following is NOT an iron-magnesium bearing mineral: |
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Definition
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Term
| The following minral by its presence in water can cause the water to be acidic: |
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Definition
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Term
| The following mineral can LOWER the acidity of water: |
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Definition
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Term
| Mineral has a very high swelling ability |
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Definition
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Term
| The following mineral is an indication that the environment in which it formed was an oxygen-deficent enviroment: |
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Definition
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Term
| Which of the following minerals is hydrous in composition: |
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Definition
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Term
| Replacement or substiution of one element by another in the structure of a mineral could be possible provided: |
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Definition
| the ions of the elements involved are nearly similar in size and charge |
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Term
| Mineral that makes up reefs |
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Definition
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Term
| mineral that is found in grass leaves and diatoms: |
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Definition
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Term
| Example of a sulfide mineral is: |
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Definition
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Term
| Example of a carbonate mineral is: |
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Definition
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Term
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Definition
| high temperature of the lava |
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Term
| The cascade mountains lie along a: |
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Definition
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