For SEO use the next link relation[0] e.g. <a rel="next" href="/resource?page={next_page_in_sequence}" />.
I am assuming more results are loaded based on scroll-depth < 100% + an overlay to stop the user clicking.
Google/bots will be able to activate the link and request the next set.
Uesful resource http://www.iana.org/assignments/link-relations/link-relation...