例句與造句

1. Lorandite occurs in low-temperature hydrothermal associations and in gold and mercury ore deposits.
2. The discovery of mercury ore at New Idria came soon after the discovery of gold in the Sierra foothills, which began the California gold rush.
3. Group 12 metals are geochemically with those elements that constitute the majority of the crustal mass, mercury ores can be highly concentrated considering the element's abundance in ordinary rock.
4. The richest mercury ores contain up to 2.5 % mercury by mass, and even the leanest concentrated deposits are at least 0.1 % mercury ( 12, 000 times average crustal abundance ).
5. Curator Stuart estimated that apprentices had to apply more than 200 layers of red cinnabar _ mercury ore _ to produce a layer about a half-inch thick that could then be carved.
6. It's difficult to find mercury ore in a sentence. 用mercury ore造句挺難的
7. The very fertile soils from the erosion of the Andes formed the basis for the continent's only pre-Columbian state civilizations : those of the Inca Empire and its predecessors ( Chav韓, Nazca, mercury ore.
8. The Clear Lake volcanics are thought to have been the heat source for the hot springs and hydrothermal activity that formed the mercury ores at the Sulphur Bank Mine, and the gold ore at the McLaughlin Mine.