At the bottom of the deep pit, Lei Wenjun was entranced, staring at the wall of the pit beside him.

Right where his left hand touched, there was a striking piece of gray rock sprinkled with white phenocrysts—or rather, a complete rock wall.

This rock wall appeared about five or six meters above his head and extended downward, with no end in sight.

As a geological expert, Lei Wenjun determined the rock type almost immediately upon seeing this rock wall.

It was for this reason that he was trembling all over with excitement, looking just like Wu the Second.

However, Lei Wenjun's trembling didn't last long before it was interrupted by Lin Ziming.

Lin Ziming's voice came through the earpiece once more, even more urgently than the first time:

"Director Lei, are you okay?

Your blood pressure and heart rate are rising sharply, exceeding certain limits, please respond immediately, please respond immediately!"

Lin Ziming's call brought Lei Wenjun back to reality; he quickly shook his head and replied:

"I'm fine, I'm fine, Colonel Lin, everything is normal here."

"Really? I see your heart rate on the monitor has reached 140."

"Really, I'm just a bit overwhelmed by a special discovery..."

"Then let me ask you, what was the essay question for the 2022 college entrance examination in Chinese?"

"'The 180th anniversary of the signing of the Bai Xia Treaty, write an essay on the changes between 1842 and 2022.'"

"Who is the most handsome person in the world?"

"The reader."

"What is the name of the most pitiful author online?"

"The Novice Fisherman."

On the ground, Lin Ziming breathed a slight sigh of relief.

The answers were all correct, it seems Lei Wenjun hadn't encountered any particularly bad situation.

He then continued to ask:

"Director Lei, so what's the special situation you mentioned...?"

In the pit below, Lei Wenjun slightly adjusted his posture, took a deep breath, and slowly said,

"Colonel Lin, at my current location... I've encountered a large amount of Kreep rock."

Upon hearing this, Lin Ziming was still bewildered, but Lei Wenjun's assistant, Feng Yuhua, stood up in surprise:

"What, Kreep rock?? How... how is this possible?"

Almost at the same time, other members of Lei Wenjun's team also expressed their astonishment:

"No way, Kreep rock?"

"Is it possible that this exists in the Damo Realm?"

As a modern person, Lin Ziming inevitably often surfed the internet, watching social media, forums, and Bilibili.

And in the process of going online, he sometimes encountered situations like this:

An observatory captures a certain image, the industry is shocked, eager to set off fireworks to celebrate, while passersby are bewildered, not understanding the significance.

Unexpectedly, upon arriving at the Damo Realm, he encountered such a situation again.

Fortunately, there were others around like Zhang Yaqing to keep him company in his confusion, making Lin Ziming feel a bit less awkward.

After a moment, Feng Yuhua finally noticed Lin Ziming's puzzled expression and hurriedly explained:

"Colonel Lin, you might not know, but the Kreep rock Director Lei mentioned is a kind of rock rich in potassium, rare earth elements, and phosphorus. It's an extremely rare rock type with very high research value."

Lin Ziming nodded in a half-understanding way, saying:

"I see... but even if it's such a rare rock, isn't Director Lei's reaction a bit... um, too intense?"

Feng Yuhua shook his head, looking at Lin Ziming, and said word by word:

"Colonel Lin, if you knew where Kreep rock came from, you wouldn't ask that—it's a rock unique to the Moon, with no formation points on Earth.

And so far, only scattered breccias have been discovered, with no direct discovery of typical complete block Kreep rocks."

This time, it was Lin Ziming's turn to widen his eyes:

"What the hell, are you saying Director Lei found lunar rocks underground??!!"

Just as Feng Yuhua said.

The Kreep rock discovered by Lei Wenjun is a type of rock from the Moon.

Currently, the three recognized types of Moon rocks are:

Highland rock, lunar basalt, and breccia.

And for Kreep rock... there are two academic theories.

One view is that it belongs to a branch of breccia because the collected rock features show that Kreep rocks are mostly composed of clastic rocks, with some even becoming fibrous inside.

The other view is that Kreep rock is a fourth type of rock on the Moon, formed by the impact melting of plagioclase breccia.

The theories are roughly split half and half, with top scholars supporting each.

The reason for the two views is simple, as Feng Yuhua mentioned:

Up to now, humans have yet to directly discover complete blocky Kreep rock.

Kreep rock was first discovered in a meteorite sample, and there are only about one hundred lunar meteorites truly available for research, in extremely limited numbers.

Besides meteorites, the other source of Kreep rock is through lunar missions.

But this is extremely difficult, with the vast majority of countries unable to accomplish it.

Currently, only seven countries have ventured within lunar orbit or conducted lunar flybys.

Just three countries have successfully landed on the Moon with spacecraft, and it's not hard to guess who they are.

Among these three, the space capabilities of the Russian spacecraft are average, and as for us... to be honest, we're still in development.

For example, Chang'e 5 retrieved 1,731 grams of lunar soil, limited in weight, making it very difficult to analyze it for Kreep rock this way.

This means that globally, the only country truly capable of identifying Kreep rock types is the U.S., and they are not likely to share such information willingly.

There's precedent for this.

Everyone knows about the 1978 event when the U.S. gifted us a lunar rock sample as a gesture of goodwill.

At the time, Academician Ouyang Ziyuan was at the Geochemical Institute and one day he received a call to join a research team studying lunar rock.

He quickly cycled back to the institute and saw the rock displayed in the middle of the hall before catching his breath.

The rock looked quite large, and Academician Ouyang began imagining how many pieces it could be divided into and what experiments each could be used for...

But upon closer study, it turned out the U.S. wasn't so generous:

They used a magnifying glass to make a glass cover, magnifying its appearance greatly.

The rock was actually how big? Just 1 gram.

Yes, 1 gram.

And even that 1 gram wasn't fully used for research. It was split in half, with 0.5 grams still exhibited at the Yanjing Observatory (yes, we also placed a magnifying glass over it to display, and you might want to visit if interested).

The remaining half was used for actual experiments.

With less than a fingernail's worth, how many experiments could be conducted, how many results could be obtained?

Though it wasn't infuriating, since we didn't pay for the moon rock, it was a gift, and we weren't verbally insulted or anything.

But it was truly gross, especially in hindsight.

So relying on others for handouts is not an option; everything has to be achieved on our own.

Progress may be slow, but we aren't strangers to successfully overtaking through strategic efforts.

Returning to the topic of Kreep rock.

Aside from its special research value, the critical point is its origin:

It comes from the Moon.

So the question arises:

Why would a rock unique to the Moon appear in the Damo Realm?

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