𝐊𝐚𝐫𝐰𝐚𝐧 𝐘 𝐒𝐚𝐥𝐢𝐡 on Instagram: "four fundamental laws of stratigraphy — the geological principles that allow us to interpret Earth’s history through rock layers. Stratigraphy focuses on the order, position, and relative age of strata, forming the backbone of geological analysis used in sedimentology, structural geology, and oil & gas exploration. 1️⃣ Law of Superposition In an undisturbed sequence of sedimentary rocks, the oldest layers lie at the bottom, while the youngest are at the