A dyke (or dike) in geology is a type of later vertical rock between older layers of rock. Technically, it is any geologic body which cuts across:1  flat wall rock structures, such as bedding. dyke (or dike) in geology is a type of later vertical rock between older layers of rock. Technically, it is any geologic body which cuts across: 1  flat wall rock structures, such as bedding.
Another example would be the âdefault browserâ on your computer. Windows PCs come with Internet Explorer (the blue âEâ icon) as the default browser, just as Apple includes their own Safari browser as the default on their Mac computers.
Change Windows 10 Default Web Browser. In the search field type: default browser and hit Enter. Or just click Choose a default browser from the top of the search results. That brings you directly to Settings > System > Default apps, where the Web browser option is already highlighted. As you can see, Edge is currently set as the default.