Siliciclastic sedimentary rocks. Siliciclastic rocks are clastic noncarbonate rocks that are composed almost exclusively of silicon, either as forms of quartz or as silicates. Composition The composition of siliciclastic sedimentary rocks includes the chemical and mineralogical components of the framework as well as the cementing material that make up these rocks.
Dissociative disorder. Dissociative disorders (DD) are conditions that involve disruptions or breakdowns of memory, awareness, identity, or perception. People with dissociative disorders use dissociation, a defense mechanism, pathologically and involuntarily. Dissociative disorders are thought to primarily be caused by psychological trauma.
Examples of dissociative symptoms include the experience of detachment or feeling as if one is outside oneâs body, and loss of memory or amnesia. Dissociative disorders are frequently associated with previous experience of trauma. There are three types of dissociative disorders: Dissociative identity disorder.