You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "The Cheakamus Valley basalts are part of what southwestern British Columbia formation?" whose answer is Cascade Volcanoes.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Cheakamus Valley basalts formation context southwestern British Columbia
Useful Output:

Doc 1: The Cheakamus basalts are a set of ~31 km long, 1.65 km 3 valley-filling olivine basalts which erupted into the glaciated Callaghan-Cheakamus Valley system.
Doc 2: The Cheakamus basalts are a voluminous (1.65 km 3) set of Late Pleistocene, valley-filling lavas erupted from a vent situated near present-day Conflict Lake, in
Doc 3: The province is dominated by mountain ranges, among them the Canadian Rockies but dominantly the Coast Mountains, Cassiar Mountains, and the Columbia Mountains.
Doc 4: The intent of this annotated bibliography was to identify projects throughout Alaska that address the effectiveness of the current Alaska Forest Resources
Doc 5: First and foremost, thank you to all who authored and co- authored the abstracts assembled here. Without your participa- tion, no Halifax 2022 conference