Planetary Ecologist<p>Parent rock (Petrology 💎)</p><p>In the earth sciences, parent rock, also sometimes substratum, is the original rock from which younger rock or soil is formed. In soil formation, the parent rock normally has a large influence on the nature of the resulting soil; for example, clay soil is derived from mudstone while sandy soil comes from the weathering of sandstones. Parent rock can be sedimentary, igneous or metamorphic. I...</p><p><a href="https://en.wikipedia.org/wiki/Parent_rock" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">en.wikipedia.org/wiki/Parent_r</span><span class="invisible">ock</span></a></p><p><a href="https://mastodon.social/tags/ParentRock" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ParentRock</span></a> <a href="https://mastodon.social/tags/Regolith" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Regolith</span></a> <a href="https://mastodon.social/tags/Petrology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Petrology</span></a></p>