The Principle of Cross-Cutting Relationships. Sometimes magma pushes, or intrudes, into cracks in existing rocks. When the melted rock cools and solidifies, the resulting feature is called an igneous intrusion. This image shows metamorphic rock in Death Valley, California, cut by a darker igneous intrusion.
ISO stands for International Standards Organisation and it refers to the industry norm for sensitivity of emulsion based film, with 100 ISO being not so sensitive (and the standard ISO used by most people) to 1600 ISO which is extremely sensitive to light.
ISO means In Search Of. Example use of ISO on Craigslist. ISO is an acronym often used on craigslist by people who are searching for something specific that theyâd like to purchase. The ISO meaning is âin search ofâ and users will often use it in post titles or descriptions, or in posts themselves.