地幔对流和板块运动之间是什么关系?
What is the relationship between mantle convection and plate motion?
地幔对流是板块运动的重要动力来源:上升流处岩浆涌出形成洋中脊,下沉流(常配合俯冲)带动岩石圈,但板块运动还叠加了板片拖曳等力的作用。
Mantle convection is a key driver of plate motion: upwelling feeds mid-ocean ridges and downwelling (with subduction) drags the lithosphere, though slab pull and other forces also contribute.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
舒良树 主编,《普通地质学》第3版(曾获全国首届优秀教材一等奖)
Shu Liangshu ed., General Geology, 3rd ed. (winner of the 1st National Excellent Textbook Award)
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787116123892(豆瓣书目条目: 普通地质学)
#地幔 #板块驱动
地幔虽是固体,为什么还能像很稠的糖稀一样慢慢流动?
The mantle is solid—why can it still flow slowly like thick syrup?
地幔岩石在极高温度和压力下,会表现出“塑性”,在漫长岁月里极其缓慢地蠕变流动,这种对流把地球内部的热量带上来。
Under huge heat and pressure, mantle rock behaves plastically and creeps extremely slowly over geologic time; this convection carries Earth's internal heat upward.
难度 进阶 · 适合 初中(12-15)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
舒良树 主编,《普通地质学》第3版(曾获全国首届优秀教材一等奖)
Shu Liangshu ed., General Geology, 3rd ed. (winner of the 1st National Excellent Textbook Award)
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787116123892(豆瓣书目条目: 普通地质学)
#地幔对流 #塑性流动
地幔和地壳,哪个更厚?
Which is thicker, the mantle or the crust?
地幔厚得多。地壳像蛋壳一样薄,地幔占了地球体积的大部分,是夹在地壳和地核之间很厚的一层。
The mantle is far thicker. The crust is thin like an eggshell, while the mantle makes up most of Earth's volume, lying between crust and core.
难度 入门 · 适合 幼儿(3-6)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
舒良树 主编,《普通地质学》第3版(曾获全国首届优秀教材一等奖)
Shu Liangshu ed., General Geology, 3rd ed. (winner of the 1st National Excellent Textbook Award)
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787116123892(豆瓣书目条目: 普通地质学)
#地幔 #厚度