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.
What is ISO. ISO is the abbreviation of International Organization for Standardization originated from Greek ISOS which means Equal. Though non-governmental, ISO is still a very important global organization. In reference to video, ISO refers to a file format of an optical disc such as CD, DVD or Blu-ray Disc.ISO actually owned its name from the ISO 9660 file system and is used together with CD-ROM media. Act as a virtual CD/DVD drive. ISO image file can be mounted to a virtual drive as if a physical disc was loaded in the drive or treated as a regular Compact Disc inside a computer while maintaining the original structure of CD/DVD, which is convenient for further DVD burning;