They are rich in leucite, but contain also some sanidine and often much nepheline with hauyne or nosean.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: They are rich in leucite, but contain also some sanidine and often much nepheline with hauyne or nosean. ### Response: .