西部的栾川县是重要的钼矿开采中心。
Luanchuan County in western Henan is an important center of molybdenum extraction.
伏牛山北麓构造带包括洛南-栾川断裂带和石人山地块。
The structural belt at the north foot of the Mountain Funiu consists of the Luonan-Luanchuan rifting zone and the Shirenshan block.
黑沟一栾川大断裂，限定了古华北板块南部活动大陆边缘的边界。
The major disruption of Heigou-Luanchuan has determined the active continental margin of the ancient north China plate.
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