marrowy

With axe and shovel you explore this mine, and follow the marrowy store, yellow as beef tallow, or as if you had struck on a vein of gold, deep into the earth.

头和铲子，探索这个矿藏，沿着那黄黄的牛油脂似的、骨髓似的储藏，或者仿佛找到了矿的矿苗似的，一直深入到地里去。