The Economic Importance of Mafic Minerals

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Mafic rocks are a type of igneous rock that is rich in magnesium (Mg) and iron (Fe). They are derived from the partial melting of the Earth's mantle and are characterized by their dark color and high density. Mafic rocks typically contain higher amounts of heavy elements compared to other types of igneous rocks. This is because magnesium and iron have higher atomic weights, contributing to their higher density and dark coloration. The most common types of mafic rocks include basalt, gabbro, and diabase. Basalt is the most well-known mafic rock and is commonly found in volcanic environments.


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I had hoped that the Android Auto integration was smart enough to somehow piggy-back on the peer-to-peer connection to my phone to use that as its access point to the internet, but it doesn t work that way. GM crippled the Front screen with no way of watching Video, unlike the like 2016-2019 Tahoes that you could through HDMI Apple TV setup when stationary.

Magic bos gmc xierra

Basalt is the most well-known mafic rock and is commonly found in volcanic environments. It is dark gray to black in color and has a fine-grained texture. Basalt usually contains a high percentage of the minerals plagioclase feldspar and pyroxene.

Review of "The Magic Box" AA/Carplay dongle

First off- not in any way affiliated with the company. I haven't seen any other reviews (or any info at all, really), so though I would write down some thoughts. This is for a wireless AA/Carplay dongle (sorry, should have said that in the title).

This went into a 2021 Rav4 Prime, which supports wired AA/Carplay. My wife is an Apple fan and uses Carplay, I'm an Android guy using Android auto (Oneplus 8T). I previously used a GiWiOS wireless adapter, which was about $80 on Amazon, and seemed to work well enough, but switching between AA and Carplay required rebooting, and about 50% of the time it wouldn't reconnect cleanly to the car without unplugging/plugging USB to the dongle. I figured I would try something else to see if it did a better job switching between wireless AA and Carplay.

I bought The Magic Box and The Magic Remote for about $400 total. Yeah, this thing is expensive. The box itself at a high level is fundamentally a small Android device with 4GB RAM and 64GB Flash running Android 11. It can connect to a car over a USB cable and (I think) talks Carplay with your car; which is weird, because it's running Android internally, but go figure. The touchscreen in the car works well enough with it. It also has an HDMI output, so I imagine you can use it like a FireTV dongle when travelling.

When booted up, it shows an Android UI with a bunch of app icons (I'll call this the "streaming UI"). The first thing to do is click the settings icon and connect to a WiFi AP. Where do you get a WiFi AP? Here's the first hitch- you either need your car to provide an in-car WiFi connection, or you need to turn on hotspot mode on your phone and use your phone as an AP.

Once you have WiFi configured, you can then login with your Google account, go to the Google Play Store, and install whatever other apps you like, including Netflix, Paramount, Disney, whatever.

The UI also has some special icons. One icon launches wireless Android Auto; another launches wireless Apple Carplay. You can then pair your phone (Android or Apple, respectively) with the Magic Box BT connection. I got Android Auto working fine, haven't gotten my wife's Apple Carplay working (but haven't tried much yet).

However, here's where the Magic kindof goes off the rails. Both Android Auto and Apple Carplay work by connecting over BT, and then opening a backchannel peer-to-peer WiFi connection between the phone and the box. But remember how earlier we had to pair the Magic box to an AP (either in-car or your phone hotspot)?- this is a different WiFi connection than that one, and neither the phone nor the Magic Box can use both concurrently.

Your phone can typically either use Android Auto or be in hotspot mode, but not both at the same time. So switching between the Magic Box streaming API and Android Auto required me to manually turn my phone's hotspot mode on and off to switch between the two.

Luckily, my car also supports in-car WiFi (as long as I pay ATT $16/month), so I figured I would try using that as my AP with The Magic Box. But it turns out the Magic Box also isn't smart enough to share its own WiFi connection between streaming and Android Auto. Pairing my phone over Android Auto worked fine, but whenever I returned to the streaming UI, I had to go into the settings app and manually turn WiFi back on. It works, but not at all seamlessly. At the very least, The Magic Box could be smart enough to automatically enable WiFi when switching back to it's UI. Even better would be if it could have implemented two WiFi channels (one for its AP connection, and one for Android Auto), and allowed them to remain connected concurrently.

I had hoped that the Android Auto integration was smart enough to somehow piggy-back on the peer-to-peer connection to my phone to use that as its access point to the internet, but it doesn't work that way. So it works, but switching between streaming apps and Android Auto requires quite a bit of manual reconfiguration.

Some other observations:

- The Magic Remote works fine, and makes it easy to type or select. I can see the value of this if I were using this thing as a fireTV-like device without a touchscreen. However, someone made the decision that the secondary key Fn values (e.g. all punctation/numbers) are shown as blue on black keys with no backlighting, so it's basically impossible to read if you're not in direct sunlight. I'm also surprised that the USB dongle that plugs into The Magic Box to connect to the remote sticks out quite far. I've seen BT dongles that were much smaller.

- One other annoyance: the car's steering wheel controls (skip forward/back) appear to not work when using Android Auto. This is pretty bad, and even the GiWiOS box could handle this correctly.

Edit: Sorry for the multiple postings. I've removed the dupes.

Edit 2: I ended up sending it back. There were just too many compromises given the price tag.

Oh oh its mafic

Gabbro is the intrusive equivalent of basalt and is composed mainly of plagioclase feldspar and pyroxene. It has a coarser texture compared to basalt and is often used as a decorative stone in construction. Diabase is another common type of mafic rock and is similar to gabbro but with a finer grain size. It is commonly used as a building material and for road construction. Mafic rocks have several important properties that make them useful in various applications. Due to their high density, they are often employed as aggregates in concrete and asphalt. Their dark color also makes them desirable for use in decorative stone for buildings and landscaping. Furthermore, mafic rocks have a high melting temperature, making them effective as refractory materials that can withstand high temperatures. They are also rich in minerals that contain valuable elements such as chromium and nickel, making them potentially economically significant. In conclusion, mafic rocks are dark-colored igneous rocks that are rich in magnesium and iron. They are formed from the partial melting of the Earth's mantle and have important applications in construction, infrastructure, and industry..

Reviews for "Mafic Minerals and their Applications in Industrial Processes"

1. Sarah - 2 stars - "Oh oh its mafic" was a disappointing read for me. I found the storyline to be convoluted and confusing, with too many plot twists that didn't really make sense. The characters were also very one-dimensional, and I couldn't connect with any of them. Additionally, the writing style was choppy and difficult to follow. Overall, I was left feeling unsatisfied and would not recommend this book to others.
2. Michael - 1 star - I cannot understand all the hype around "Oh oh its mafic." The plot was weak and poorly developed, with no clear direction. The characters lacked depth and were unrelatable, making it hard for me to care about what happened to them. The dialogue felt forced and unnatural, and the writing was filled with unnecessary descriptions that only served to slow down the pace. I struggled to finish this book and was left feeling underwhelmed.
3. Emily - 3 stars - While "Oh oh its mafic" had its moments, overall, I wasn't impressed. The story had potential, but it felt rushed and poorly executed. The events seemed to occur randomly, without proper explanation or buildup. The dialogue was awkward and the characters felt underdeveloped. However, there were a few scenes that stood out and showed glimpses of the author's talent. Unfortunately, these moments were too few and far between to truly redeem the book in my eyes.

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