冰磧物是指在冰川作用下由侵蝕所形成的沉積物。由於未經分選,故顆粒大可至大石,小可至粉砂。可經成岩作用成為冰磧石

冰磧石,可見其顆粒大小差別之大
冰磧物
因雪崩而形成的冰磧物

冰磧物有不同的分類標準,如可分為原生礦床和次生礦床。

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