shares in hummingbird resources plc jumped thursday after it reported drilling exploration results for its kouroussa gold project in guinea and said the construction of the mine remains on schedule one of the holeswhich was aimed to collect samples for metallurgical testsintersected a significant 55meter interval grading 3572 grams of gold a metric ton exceeding expectations the mining company said the ongoing exceptional drilling results being received at kouroussa highlight we have an asset of significant value with a material amount of exploration potential ahead of us chief executive dan betts said in addition hummingbird said its contractor has started to mobilize equipment and personnel to start construction in january in line with the project schedule to pour first gold by the second quarter of 2023 shares at 0945 gmt were up 80 at 1415 pence