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Interests in joint operations (Tables) | 12 Months Ended
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Jun. 30, 2018
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Summary of Significant Interests in Joint Operations | The Group’s interest in the joint operations results are listed in the table below. For a list of significant joint operations of the Group classified as ‘held for sale’ refer to note 26 ‘Discontinued operations’. For a complete list of the Group’s investments in joint operations, refer to Exhibit 8.1 – List of Subsidiaries.
|  |  |  |  |  | Group interest |
Significant joint operations |  | Country of operation |  | Principal activity |  | 2018 % |  |  | 2017 % |
Bass Strait |  | Australia |  | Hydrocarbons production |  |  | 50 |  |  |  | 50 |
Greater Angostura |  | Trinidad and Tobago |  | Hydrocarbons production |  |  | 45 |  |  |  | 45 |
Gulf of Mexico |  | US |  | Hydrocarbons exploration and production |  |  | 23.9–44 |  |  |  | 23.9–44 |
Macedon (1) |  | Australia |  | Hydrocarbons exploration and production |  |  | 71.43 |  |  |  | 71.43 |
North West Shelf |  | Australia |  | Hydrocarbons production |  |  | 12.5–16.67 |  |  |  | 12.5–16.67 |
Pyrenees (1) |  | Australia |  | Hydrocarbons exploration and production |  |  | 40–71.43 |  |  |  | 40–71.43 |
ROD Integrated Development (2) |  | Algeria |  | Hydrocarbons exploration and production |  |  | 29.50 |  |  |  | 29.50 |
Mt Goldsworthy (3) |  | Australia |  | Iron ore mining |  |  | 85 |  |  |  | 85 |
Mt Newman (3) |  | Australia |  | Iron ore mining |  |  | 85 |  |  |  | 85 |
Yandi (3) |  | Australia |  | Iron ore mining |  |  | 85 |  |  |  | 85 |
Central Queensland Coal Associates |  | Australia |  | Coal mining |  |  | 50 |  |  |  | 50 |
(1) | While the Group holds a greater than 50 per cent interest in these joint operations, all the participants in these joint operations approve the operating and capital budgets and therefore the Group has joint control over the relevant activities of these arrangements.
(2) | Group interest reflects the working interest and may vary year-on-year based on the Group’s effective interest in producing wells.
(3) | These contractual arrangements are controlled by the Group and do not meet the definition of joint operations. However, as they are formed by contractual arrangement and are not entities, the Group recognises its share of assets, liabilities, revenue and expenses arising from these arrangements.
Summary of Assets Held in Joint Operations | Assets held in joint operations subject to significant restrictions are as follows:
|  | Group share |
|  | 2018 |  |  | 2017 |
|  | US$M |  |  | US$M (2) |
Current assets |  |  | 2,445 |  |  |  | 2,755 |
Non-current assets |  |  | 36,144 |  |  |  | 51,446 |
Total assets (1) |  |  | 38,589 |  |  |  | 54,201 |
(1) | While the Group is unrestricted in its ability to sell a share of its interest in these joint operations, it does not have the right to sell individual assets that are used in these joint operations without the unanimous consent of the other participants. The assets in these joint operations are also restricted to the extent that they are only available to be used by the joint operation itself and not by other operations of the Group.
(2) | Includes US$14,408 million related to Onshore US assets.

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