| Hint | Answer | % Correct |
|---|---|---|
| Less rare (but way more popular!) gemstone that is composed of pure carbon. | Diamond | 87%
|
| What geo means. | Earth | 83%
|
| Geologic process where earthen materials are worn away and transported by natural forces. | Erosion | 81%
|
| Talking about igneous rocks that formed above the surface of the earth (opposite of intrusive. | Extrusive | 78%
|
| "Salty" mineral. | Halite | 69%
|
| Mineral's measure of its relative resistance to scratching. | Hardness | 69%
|
| Volcanoes are called this when they aren't presently reacting, but could in the future. | Dormant | 68%
|
| Rock type that is formed by the accumulation or deposition of mineral or organic particles at Earth's surface. | Sedimentary | 68%
|
| Rare gemstone that gets its green color from impurities of chromium. | Emerald | 67%
|
| Asian country at a convergent plate boundary (Indian and Eurasian continental plates). | Nepal | 65%
|
| Metamorphic rock that exhibits banding. | Gneiss | 62%
|
| Between felsic and mafic. | Intermediate | 60%
|
| Period before the Devonian in the geologic time scale. | Silurian | 53%
|
| Relative and absolute. | Dating | 48%
|
| Substance that cannot be broken down into a simpler format. | Element | 47%
|
| Describes elements that occur in nature in uncombined form. | Native | 41%
|
| Mineral property of breaking in a random pattern (goes with cleavage). | Fracture | 39%
|
| Quantity of resources that can be produced from a deposit. | Yield | 34%
|
| Ash rock that comes in a "welded" variety. | Tuff | 33%
|
| Semi-precious stone (metamorphic rock) that is prized for its intense blue color. | Lapis lazuli | 27%
|
| Igneous rock mass that has been intruded between rock strata causing uplift in the shape of a dome. | Laccolith | 22%
|
| Grossular, a Ca-Al garnet group, is sometimes marketed under the past name of this South African province from 1910-1994. | Transvaal | 3%
|