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.
In our culture, the most frequent cause of Dissociative Disorders is extreme physical, emotional, and sexual abuse in childhood. Survivors of other kinds of childhood trauma (such as natural disasters, invasive medical procedures, war, kidnapping, and torture) have also reacted by developing Dissociative Disorders.