The Lord Howe Seamount Chain of which Gifford Guyot is an eruptive centre, and part of a pair of coral-capped guyots, formed during the Miocene. The Gifford Marine Park is co-located off the Queensland coast near Brisbane. [ { "type": "FeatureCollection", "features": [ { "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff0000","stroke-opacity":0.5,"fill-opacity":0.5, "fill": "#ff0000", "title": "Nova Bank" }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 159.0, -22.38333], [ 159.4, -22.38333 ], [ 159.4, -21.98333 ], [ 159.0, -21.98333 ], [ 159.0, -22.38333 ] ] ] } }, { "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff0000","stroke-opacity":0.5,"fill-opacity":0.5, "fill": "#ff0000", "title": "Flinders Seamount" }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 159.59376, -34.39096], [ 159.19376, -34.39096 ], [ 159.19376, -33.99096 ], [ 159.59376, -33.99096 ], [ 159.59376, -34.39096 ] ] ] } }, { "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff0000","stroke-opacity":0.5,"fill-opacity":0.5, "fill": "#ffffff", "title": "Lord Howe Island" }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 158.88500, -31.75417], [ 159.28500, -31.75417 ], [ 159.28500, -31.35417 ], [ 158.88500, -31.35417], [ 158.88500, -31.75417 ] ] ] } }, { "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff0000","stroke-opacity":0.5,"fill-opacity":0.5, "fill": "#ff0000", "title": "Argo Bank" }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 159.3, -23.05], [ 159.7, -23.05 ], [ 159.7, -23.45 ], [ 159.3, -23.45 ], [ 159.3, -23.05 ] ] ] } }, { "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff0000","stroke-opacity":0.5,"fill-opacity":0.5, "fill": "#ff0000", "title": "Kelso Bank" }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 159.3, -23.96667], [ 159.7, -23.96667 ], [ 159.7, -24.36667 ], [ 159.3, -24.36667 ], [ 159.3, -23.96667 ] ] ] } }, { "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff0000","stroke-opacity":0.5,"fill-opacity":0.5, "fill": "#ff0000", "title": "Capel Bank" }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 159.38333, -24.8], [ 159.78333, -24.8 ], [ 159.78333, -25.2 ], [ 159.38333, -25.2 ], [ 159.38333, -24.8 ] ] ] } }, { "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff0000", "stroke-opacity":1.0,"fill-opacity":1.0,"fill": "#ff0000", "title": "Gifford Guyot" }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 159.21667, -26.46667], [ 159.61667, -26.46667 ], [ 159.61667, -26.86667 ], [ 159.21667, -26.86667 ], [ 159.21667, -26.46667 ] ] ] } }, { "type": "Feature", "properties": { "stroke-width":1, "stroke": "#ff0000","stroke-opacity":0.5,"fill-opacity":0.5, "fill": "#ffffff", "title": "Middleton Reef" }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 158.91667, -29.25], [ 159.31667, -29.25 ], [ 159.31667, -29.65 ], [ 158.91667, -29.65 ], [ 158.91667, -29.25 ] ] ] } }, { "type": "Feature", "properties": {