月面KREEP岩与月背的一个盆地有关 KREEP岩是科学家关注的焦点之一，被认为是月球火山活动持续亿万年之久的原因。KREEP岩因富含钾（K）、稀土（REE ...

Table 1 Rb–Sr and Sm–Nd isotopic data for NWA 773 Figure 2: Age versus initial ɛ Nd plot for KREEP-rich lunar rocks (Mg and alkali-suites, and KREEP basalts) demonstrating that NWA 773 is ...

The region of the Moon in question is known as the Procellarum KREEP Terrane (PKT). KREEP signifies high concentrations of potassium (K), rare earth elements (REE), and phosphorus (P). This is ...