rio tinto plc rio continues to make steady progress with its highestever first quarter shipments achieved in the western australia iron ore business according to ceo jakob stausholm   the miner reported that ironore shipments from pilbara reached 825 million tons a 16 yy increase while production reached 793 million tons up 11   rio reaffirms ironore shipments of 320 million335 million tons for the full year from pilbara iron ore   mined copper production on a consolidated basis remained the same as q1 fy22 at 145000 t as increased production from the oyu tolgoi mine offset the decreased production from the kennecott operation in the us   mined copper production was 36 yy lower owing to a combination of record snowfall and a failure in early march of motors that drive a conveyor belt that feeds crushed ore to the concentrator   at oyu tolgoi mined copper production increased by 41 in the first quarter of 2022 owing to concentrator maintenance in the prior period and higher copper grades   rio tinto adjusted its fullyear copper production target from 650000 t710000 t to 590000 t640000 t reflecting the impact of the conveyor outage at kennecott and the geotechnical challenges in the open pit at escondida   gudaidarri is expected to be running at full capacity of 43 million tons per year sometime later this year implying that 2024 will be the first year in which gudaidarri produces 43 million tons of iron ore   meanwhile bauxite production of 121 million tons was 11 lower than a year ago as the weipa operations were affected by higherthanaverage rainfall during the yearly wet season   alumina production of 19 million tons was 2 yy lower following unplanned outages at queensland alumina limited and plant reliability issues at yarwun in australia   at the rincon lithium project in argentina the companys 140 million estimate and schedule to develop the starter plant is under review in response to significant local inflation and cost escalation for equipment   price action rio shares are down 113 at 6843 on the last check thursday next google prepares to integrate chatgptlike feature in its ad business