Hummock Hill Island resort developer lodges appeal.
CQG Consulting founder Patrice Brown says Gladstone must diversify.
State Government could step in to approve island resort.
MAJOR $950m Gladstone project worth 3200 jobs has been approved.
PROPERTY developers plan to begin construction next year.
$950m island construction south of Gladstone stalled by state
Conservation group slams new resort on Hummock Hill Island